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China Best Sales Air Coupling Constant Filling Fluid Couplings with High Quality

Product Description

.

Quick Details

Material: Copper Technics: Forged Type: Coupling
Place of Origin: QIngdao, China (Mainland) Model Number: AT   21 Brand Name: AT
Connection: Welding Shape: Equal Head Code: Round
Certificates: CE   ISO Usage: Plumbing & CHINAMFG System

Packaging & Delivery

Packaging Details: Export netural packing (PCV bag,inner white box,master carton, Pallet.) or Cutomized packing as request.
Delivery Detail: 30-45 days after receiving deposit

Specifications
1.Quality Priority 
2. OEM service 
3. reasonable price 
4. oversea service support 
5. 321 stainless steel
ABOUT US:

As your one-stop source, AT PRECAST,we design, manufacturer and distribute precast concrete accessories including the Lifting Systems and Anchoring systems Coil and Ferrule Inserts. for Concrete and Prefabricated area.

As a leader in developing concrete accessory products, our main goal is to produce products that are safer, faster and more cost efficient.

With more than totally 50 years working experience, our entire staff is dedicated to provide you with the best customer service and competitive prices. Our sales force are able to answer your questions quickly and offer you technical support .

Assurance:

 100% quality manufacturing.
 We guarantee that our products meet your supplied specifications
 Extremely competitive pricing
 Delivery to your port or front door
 4 —- 8 week lead times
 We handle all paperwork
 Partial container orders
 Flexible payment options
 Unique tooling options
 Full range of packaging options from bulk to retail ready
 Complete testing services available
 

FAQs:

1. Where is your location?

We are located in HangZhou City of China and are closed to Airport. It takes 30minuts by car from Liuting Airport our company.

2. How long has the company been established?

AT INDUSTRY was established in 2009. There is 6 years exporting experiences.

3. How many employees do you have?

Administration / sales    4
Engineering / design as our partner     8
Production as our partners 120
Quality assurance / inspection   10

4. Which countries do you export to?

U.S.A, Germany, France, Italy, UK, Brazil, Middle east of Asia, Thailand,

5. What proportion of your goods are exported?

100% of our production are exported to all over the world.

6. How long does it take to receive samples?

a) Pattern:30-45days after order 
b) Sample:30days after pattern finishing.
c) The lead time is the general production period and does not include the transportation time.

7. New product development process

Got tooling order and sample order with 50% deposit—Hold a meeting with the relation dept. to ensure the developing schedule—Design pattern, fixture and gauge and making them in our house—mold steel buying—Machining—Inspection—Send out the sample with initial inspection report.

8. How long is the manufacturing lead time?

Mass Production: 90days after sample approval by yours.
The lead time is the general production period including the transportation time.
We could make some special production arrangement effectively if customer has urgent need.

9. What basis can we buy goods?

We generally offer customers prices FOB& CIF (Carriage, Insurance & Freight). The CIF includes the freight cost to your nominated sea port.
We do provide clearance of goods which needs to be handled by a local freight forwarder.
All local costs and taxes are the responsibility of the buyer. We are happy to offer advisement on shipping if required.

10. What are the payment terms?

Payment terms are negotiable and will improve for long term customers.
During the initial stages, we request 50% of tooling fee in advance with the balance payable on acceptance of samples.
Production orders can be negotiable. We prefer 50% deposit and the balance by T/T before sails. But sometimes T/T 30 days after sails would also acceptable.

11. Which currency can we buy in?

We can deal in USD / Euro currency / GBP.

12. How long does it take to ship goods from China by sea?

It takes about 5 weeks to European ports plus 1 week customs clearance, so you can get the container within 6 to 7 weeks. It takes about 2 weeks to east coast and 3 weeks to west coast US ports. All sea goods are shipped from HangZhou Port.

13. How long does it take to ship goods from China by air?

It takes about 7 days to all major destinations.

14. Can we visit the factory to conduct an audit?

Yes, you are welcome to visit our partner factory by prior agreement.

15. How do we retain client confidentiality?

We are happy to CHINAMFG Confidentiality Agreements with customers and will honor them.

16. Which languages do we do business in?

Although we do business with many countries around the world, we can only communicate effectively in Chinese English.
All information supplied should therefore be supplied in this form.

17. Is there a minimum volume of business required to conduct international purchasing?

There are no minimum volumes, but the prices of the goods, plus the fixed costs of importing makes it more economical to buy in high volumes. All potential customers will be assessed on an individual basis to determine if it appears a viable option for all parties to develop a relationship.

18. What type of parts you are specialized in?

Our business contains 2 areas,
one is for construction precast including lifting system, rigging hardware metal parts.
 
Another is customized metal business of quality sand castings, investment castings, lost foam castings, hot forgings, cold forgings, stampings, machined parts, injectionmolded plastics parts, etc.

19. Which kind of equipments do you have?

Forging friction press 160Ton, 300Ton, 630Ton, 1200Ton
Casting CHINAMFG of 200kg, 500kg,1000kgs, 2000kgs
Press of 63ton, 120tons
CNC Machining center
CNC Vertical Lathe
CNC Lathe center
Boring machine
Drilling machine

 

fluid coupling

What are the Differences between Fluid Couplings and Mechanical Clutches?

Fluid couplings and mechanical clutches are both components used in power transmission systems, but they operate on different principles and have distinct characteristics:

  1. Operating Principle:
    • Fluid Coupling: A fluid coupling uses hydraulic fluid to transmit torque. It consists of an impeller and a runner immersed in a fluid-filled chamber. When the input shaft (driving member) rotates, it imparts motion to the fluid, which in turn drives the output shaft (driven member).
    • Mechanical Clutch: A mechanical clutch relies on physical contact between friction surfaces to transmit torque. When engaged, the clutch plates or discs press against each other, creating a mechanical link between the input and output shafts.
  2. Slippage:
    • Fluid Coupling: Fluid couplings allow a certain degree of slippage between the input and output shafts. This slippage provides a smooth start and helps protect the machinery from shock loads.
    • Mechanical Clutch: Mechanical clutches have minimal slippage when engaged, providing a direct and rigid connection between the input and output shafts.
  3. Control:
    • Fluid Coupling: Fluid couplings provide automatic torque transmission without the need for manual engagement or disengagement.
    • Mechanical Clutch: Mechanical clutches require manual actuation to engage or disengage, allowing for precise control over power transmission.
  4. Heat Dissipation:
    • Fluid Coupling: Fluid couplings dissipate heat generated during operation, which helps prevent overheating of the system.
    • Mechanical Clutch: Mechanical clutches may generate more heat due to friction, requiring additional cooling mechanisms in high-power applications.
  5. Applications:
    • Fluid Coupling: Fluid couplings are commonly used in heavy machinery, such as mining equipment, crushers, and conveyors, where shock absorption and smooth starts are crucial.
    • Mechanical Clutch: Mechanical clutches are prevalent in applications where precise engagement and disengagement are required, such as automotive transmissions and manual industrial machinery.

While both fluid couplings and mechanical clutches serve the purpose of transmitting torque, their different operating principles and features make them suitable for specific applications and operating conditions.

fluid coupling

Fluid Coupling: Dealing with Oil Leakage and Sealing Issues

Fluid couplings are designed to be sealed units to prevent the leakage of the internal fluid (usually oil or a similar hydraulic fluid). Proper sealing is crucial for the efficient and reliable operation of the fluid coupling, as any oil leakage can lead to reduced performance, contamination, and potential damage to the surrounding components.

Here are some key factors related to oil leakage and sealing issues in fluid couplings:

  • Seal Design: The sealing system in a fluid coupling typically involves shaft seals and gaskets. High-quality seals are essential to prevent oil from escaping and contaminants from entering the coupling. The design and material selection of these seals play a significant role in maintaining effective sealing.
  • Installation: Proper installation of the fluid coupling is critical to ensure that the seals are correctly positioned and securely fitted. Any misalignment or damage during installation can lead to oil leakage issues.
  • Maintenance: Regular maintenance is essential to detect and address any potential sealing problems early on. Inspections should be conducted periodically to check for signs of oil leakage, wear on the seals, and any damage to the coupling housing.
  • Fluid Selection: The choice of fluid used inside the coupling can also influence its sealing performance. Using the recommended fluid type and quality specified by the manufacturer is essential for maintaining proper sealing.
  • Operating Conditions: The operating environment can impact the sealing effectiveness. Extreme temperature variations or harsh working conditions may affect the integrity of the seals over time.

If oil leakage or sealing issues are observed in a fluid coupling, immediate action should be taken to address the problem. This may involve replacing worn-out seals, resealing the coupling, or investigating potential causes such as misalignment or excessive heat generation.

Additionally, regular inspection and maintenance of the fluid coupling can help prevent sealing problems before they escalate. Early detection and appropriate maintenance can extend the lifespan of the fluid coupling and ensure reliable power transmission in various industrial applications.

Consulting with the manufacturer or a qualified engineer for guidance on proper maintenance and troubleshooting of fluid coupling sealing issues is recommended.

fluid coupling

Controlling Torque and Rotational Speed with Fluid Couplings

A fluid coupling plays a crucial role in controlling torque and rotational speed in power transmission systems. The principle behind its operation allows for smooth torque transmission while offering some level of speed control:

  • Torque Transmission: When power is applied to the input side (also known as the driving side) of the fluid coupling, the impeller starts to rotate and accelerates the transmission fluid inside the housing. The kinetic energy of the moving fluid creates a rotating flow pattern that transfers torque to the output side (also known as the driven side) of the coupling. This torque transfer enables the connected machinery or equipment to start smoothly without any shock loading.
  • Slip: In a fluid coupling, there is always a slight difference in speed between the input and output sides due to the viscous nature of the fluid. This speed difference is known as slip. The slip allows the fluid coupling to protect the connected components from sudden torque spikes and vibrations. If the output side experiences an abrupt load increase or jam, the slip absorbs the excess torque, preventing damage to the drivetrain.
  • Speed Control: While fluid couplings are not as efficient in speed control as variable-speed drives, they do offer some inherent speed control characteristics. The amount of slip in the fluid coupling affects the output speed relative to the input speed. By adjusting the fill level of the fluid coupling or using different fluid viscosities, it is possible to fine-tune the speed at which the output shaft rotates. However, it’s important to note that this speed control is limited compared to other speed control mechanisms.

Overall, fluid couplings provide a reliable and efficient means of controlling torque during power transmission. Their ability to dampen torsional vibrations and provide overload protection makes them suitable for various applications where smooth torque transfer and protection against shock loads are essential.

China Best Sales Air Coupling Constant Filling Fluid Couplings with High Quality  China Best Sales Air Coupling Constant Filling Fluid Couplings with High Quality
editor by CX 2023-12-14

China manufacturer Best Price PP Compression Fittings Plastic Fluid Quick Coupling

Product Description

Product Description

1 Material polyethylene, polyethylene/PP
2 Size DN20-110MM
3 Working Pressure PN10,PN16
4 Color Light Blue,dark blue ,black
5 Application Irrigation and water distribution

Related Products

Advantages
1. Easy installation: light weight
2. Quick connection: perfect sealing performance.
3. PP material is recycled and environment-friendly
4. Low flow resistance: smooth interior walls and low friction
5. High corrosion resistant: resist chemical matters and electron chemical corrosion
6. Non-toxic: no heavy metal additives, covered with dirt or contaminated by bacterium
7. Widely used : Farming irrigation, Water supply, Greenhouse, Industry, Golf courses, Swimming pools, Cable conduits,etc

Company Profile

High Mountain Pipe is dedicated to the manufacturing and sales of various kinds of plastic pipes, fittings, valves, related plumbing equipments, etc. And we can provide professional solution method for complete pipe system. The production and sales volume of leading products of PE water supply pipes and HDPE drainage pipes ranks among the highest in the industry.

The company covers an area of about 200,000 square CHINAMFG and has 6 workshops, 30 production lines, 300 workers, and 200,000 tons annual ability. It is a comprehensive enterprise integrating science, industry and trade. The industries involved are: research, production, development, manufacturing, and polymer materials of plastic pipes. All products meet the requirements of national inspection standards or enterprise inspection standards.  Application
The company’s products are widely used in the construction of civilized ecological village, factory and mine construction,
small town construction, municipal engineering, urban-rural integration construction, new town construction and other fields.

Certifications

FAQ

Q1: May I get 1 sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C or Ali trade insurance. You can choose the 1 which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery. For large quantity products,shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we’d like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of 1 company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.

Q6:Is the price on this page correct?
Re: The listed price is only for reference, for latest price, pls contact us directly.

Main products

 

fluid coupling

Fluid Couplings in Wind Turbines for Power Generation

Yes, fluid couplings can be used in wind turbines for power generation, and they play a significant role in optimizing the performance and efficiency of the turbine system. In a wind turbine, the fluid coupling is typically installed between the rotor hub and the main gearbox.

Here’s how fluid couplings are beneficial in wind turbines:

  • Soft Start and Load Distribution: During the startup phase, the wind turbine experiences varying wind speeds, and a fluid coupling allows for a smooth soft start by gradually transferring torque from the rotor to the gearbox. This reduces mechanical stress on the components and prevents sudden load shocks.
  • Torque Limiting: In high wind conditions, when the wind speed exceeds the rated limit, the fluid coupling can slip, decoupling the rotor from the gearbox. This torque limiting feature protects the gearbox and other drivetrain components from overloading and potential damage.
  • Torsional Vibration Damping: Wind turbines are subject to dynamic loads and torsional vibrations due to wind gusts. The fluid coupling acts as a torsional damper, damping these vibrations and ensuring smoother and stable operation of the system.
  • Overload Protection: If there is a sudden increase in wind speed, causing an overload condition, the fluid coupling helps absorb the excess torque and protects the turbine from overloading.
  • Contamination Prevention: Wind turbine environments are often exposed to dust, dirt, and moisture. The fluid coupling provides an enclosed and sealed environment for the drivetrain, preventing contaminants from entering and extending the life of internal components.
  • Redundancy: Some wind turbine designs employ multiple drivetrain stages, including redundant fluid couplings. This redundancy can enhance the reliability and safety of the turbine by providing backup systems in case of component failures.
  • Energy Efficiency: By facilitating smooth start-ups and load distribution, fluid couplings contribute to the overall energy efficiency of the wind turbine system. This allows the turbine to harness wind energy more effectively and generate electricity efficiently.

Incorporating fluid couplings in wind turbines helps improve their overall performance, reliability, and lifespan while reducing maintenance requirements and operating costs. As a result, they are commonly used in modern wind turbine designs to optimize power generation from renewable wind resources.

fluid coupling

Cost Implications of Using Fluid Couplings in Comparison to Other Power Transmission Methods

The cost implications of using fluid couplings in power transmission depend on various factors, including the application requirements, the size of the system, and the operational conditions. While fluid couplings offer several advantages, they may have different cost considerations compared to other power transmission methods like mechanical clutches, VFDs (Variable Frequency Drives), and direct mechanical drives.

1. Initial Investment:

The initial cost of a fluid coupling can be higher than that of a mechanical clutch or a direct mechanical drive. Fluid couplings contain precision components, including the impeller and turbine, which can impact their initial purchase price.

2. Maintenance Costs:

Fluid couplings are generally considered to have lower maintenance costs compared to mechanical clutches. Mechanical clutches have wear and tear components that may require more frequent replacements, leading to higher maintenance expenses over time.

3. Energy Efficiency:

Fluid couplings are highly efficient in power transmission, especially during soft-start applications. Their ability to reduce shock loads and provide a smooth acceleration can result in energy savings and operational cost reductions.

4. Space and Weight:

Fluid couplings are usually more compact and lighter than some mechanical clutches, which can be advantageous in applications with space constraints or weight limitations.

5. Specific Application Considerations:

The suitability and cost-effectiveness of fluid couplings versus other power transmission methods can vary based on specific application requirements. For example, in soft-start applications, fluid couplings may be the preferred choice due to their ability to reduce mechanical stress and protect connected equipment.

6. Lifespan and Reliability:

While the initial cost of a fluid coupling might be higher, their longevity and reliability can lead to lower overall life cycle costs compared to other power transmission methods.

In conclusion, the cost implications of using fluid couplings in power transmission depend on the particular application and the total cost of ownership over the equipment’s lifespan. Although fluid couplings may have a higher initial investment, their long-term reliability, energy efficiency, and lower maintenance costs can make them a cost-effective choice in many industrial applications.

fluid coupling

Advantages of Using Fluid Couplings in Power Transmission Systems

Fluid couplings offer several advantages in power transmission systems, making them well-suited for various industrial applications. Here are some of the key benefits:

  • Smooth Power Transmission: Fluid couplings provide a smooth and gradual transfer of power from the engine or motor to the driven load. This helps to reduce shock and stress on the entire powertrain, leading to smoother operation and extended equipment life.
  • Overload Protection: Fluid couplings act as a mechanical fuse in power transmission systems. When the load exceeds a certain threshold, the fluid coupling will slip, preventing excessive torque from reaching the driven load and protecting the machinery from damage.
  • Torsional Vibration Damping: They effectively dampen torsional vibrations, reducing the risk of resonance and fatigue failure in the drivetrain. This is particularly important in applications with varying loads and speeds.
  • No Mechanical Wear: Fluid couplings have no physical contact between the input and output components, resulting in minimal mechanical wear. This characteristic reduces maintenance and extends the service life of the coupling.
  • Simple Design: The design of fluid couplings is relatively simple compared to other mechanical power transmission devices, leading to lower manufacturing costs and ease of maintenance.
  • Energy Efficiency: In certain operating conditions, such as during startup or idling, fluid couplings can offer energy-saving benefits. They allow the engine to run at a constant speed while smoothly transmitting power to the load.
  • Wide Range of Applications: Fluid couplings are versatile and can be used in various industrial machinery, including conveyors, crushers, pumps, fans, marine propulsion systems, and more.

Despite these advantages, fluid couplings also have limitations, such as a slight power loss due to slip and limited torque multiplication compared to torque converters. Therefore, the choice between a fluid coupling and other power transmission devices depends on the specific requirements of the application.

China manufacturer Best Price PP Compression Fittings Plastic Fluid Quick Coupling  China manufacturer Best Price PP Compression Fittings Plastic Fluid Quick Coupling
editor by CX 2023-12-06

China Custom 1/8″ 1/4″NPT in-Line Pipe Thread Plastic Disconnect Fluid Quick Connect Shut off Threaded Couplings

Product Description

Product Description

 

Product Name 1/8″ 1/4″NPT In-line Pipe Thread Plastic Disconnect Fluid Quick Connect Shut Off Threaded Couplings
Technology Injection Molding
Usage Standard flow quick-disconnect couplings require a body and an insert in the same flow size. Plug insert into body to connect fitting and easily disconnect the fitting by simply press the thumb latch.
Application medical devices, laboratory, life science, biopharmaceutical, biochemical analysis, bioengineering, circulating water cooling pipe system, water treatment and disinfection, food&beverage, packaging machinery, industrial and hundreds of other applications;
Adapted Medium Gas/Liquid
Material  POM Plastic
Seal Ring Material Buna-N/FKM/EPDM/Silicone rubber, depend on your usage
Valve Spring 316 Stainless Steel 
Temperature Range  32°F – 180°F (0°C – 82°C)
Pressure Range Vacuum to 100 psi, 6.9bar
Valve Option Valved(shut off) or Non-valved (straight through)
Shape Option Panel Mount/In-line/Elbow/NPT Threaded;
Hose Barb Size 1/16″ =1.6mm (01); 1/8″= 3.2mm (02); 3/16″= 4.8mm (03); 

1/4″=6.4mm  (04); 5/16″=8mm (05); 3/8″=9.6mm  (06);

Threaded End 1/8″-27NPT, 1/4″-18NPT Male Thread

1/4″ Flow rate, 1/4″(6.4mm), 5/16″(7.9mm), 3/8″(9.5mm) Hose Barb Coupling Insert

 

Related Products You May Like

1/4″ Flow Rate All Plastic Series Couplings

1/8″ Flow Rate Medium Series Couplings

1/16″ Flow Rate Small Series Couplings

 

FAQ

 

Q1: Are you trading company or manufacturer?
A1: We are 15 years factory. Welcome to visit our factory.
 
Q2:What is your sample policy?
A2:
1. Only for terminal  manufacturer;
2. Please kindly provide detail  information of company for sample application process. Sample is available after confirmed and approved by management;
3.The international freight cost should be paid by the applicant;
 
Q3:What is your terms of payment?
A3: 100% payment before delivery; T/T 50% as deposit when mass customization, the balance before shipment.
 
Q4: How about your delivery time?
A4: Generally, it will take about 7-15 days after payment confirmed. The specific delivery time depends on the items and the ordered quantity .
 
Q5:What’s the shipping way?
A5: Usually by DHL, UPS, TNT, FedEx express or as your request.
 
Q6: Can you produce according to the samples?
A6: Yes, we can produce by your samples or technical drawings. We accept ODM & OEM.

 

Packaging & Shipping

 

Company Profile

Our company has specialized in researchs and developments, designs, manufactures, promotes and sales of a variety of plastic fittings, plastic connectors,quick disconnect couplings, check valves, filters, CHINAMFG pumps, solenoid valves,plastic tubings and other accessories applied in fluid systems. Our products are widely used in all kinds of products, machinery,devices and process of liquid and gas pipe system, In the life sciences and special industrial markets have thousands of applications to be used, Such as blood pressure, blood oxygen monitoring module and blood gas recovery equipment, biochemical analysis/inspection equipment, dialysis water treatment equipment, treatment and reuse equipment, breathing anesthesia, incubator, bioengineering and circulating water cooling pipe system,  solvent printer, inkjet printer,film printer and ink supply system, water quality online analytical instruments, laboratory equipment, food machinery, fermentation system process equipment, plating equipment, PCB&LCD process equipment, chemical equipment, packaging machinery, water treatment and disinfection equipment, inflatable products, automation equipment…And so on.
Depending on the 15-years experience in various fluidic control systems, our company has had a set of comprehensive manufacturing systems involving in R&D and design, mold manufacture, plastic injection, assembly & inspection, finished-product sales and warehousing logistics. It has many advantages of stable quality, efficient production and punctual delivery, which can be said a trustworthy partner.
Following different requirements from wider customers, including drawings or samples offering, our company can offer satisfied design services and mass customized services.
We’re looking forwards to cooperating with a wide range of OEMs and ODMs.

 

fluid coupling

How does a Fluid Coupling Handle Shock Loads and Torsional Vibrations?

Fluid couplings are designed to handle shock loads and torsional vibrations in power transmission systems due to their unique operating principle:

  • Shock Load Handling: When a sudden or high-impact load is applied to the output shaft, the fluid coupling allows a certain degree of slippage between the impeller and the runner. This slippage acts as a buffer, absorbing the shock and protecting the connected machinery from abrupt torque changes. As a result, fluid couplings are effective at preventing damage to the drivetrain and other components during abrupt starts and stops.
  • Torsional Vibration Damping: Torsional vibrations can occur in rotating systems, leading to harmful vibrations that can affect the overall stability and performance of the machinery. Fluid couplings help dampen these torsional vibrations by providing a smooth and controlled power transmission. The hydraulic fluid inside the coupling acts as a viscous damper, absorbing and dissipating the energy of torsional vibrations, thus reducing the impact on the connected equipment.

By effectively managing shock loads and torsional vibrations, fluid couplings contribute to improved reliability and reduced wear and tear on the machinery, leading to longer equipment life and enhanced overall performance.

fluid coupling

Role of Fluid Coupling in Reducing Mechanical Stress on Connected Equipment

A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It plays a crucial role in reducing mechanical stress on connected equipment, offering several benefits in various industrial applications. Here’s how a fluid coupling achieves this:

  • Smooth Power Transmission: Fluid couplings use hydraulic principles to transmit torque. When the input shaft (driving shaft) rotates, it imparts motion to the fluid inside the coupling. The fluid transmits torque to the output shaft (driven shaft) through the hydraulic coupling, resulting in smooth and gradual power transmission. This eliminates sudden jerks and mechanical shocks that could otherwise lead to increased stress on connected equipment.
  • Damping Effect: Fluid couplings act as a damping element, absorbing vibrations and torsional oscillations from the driving shaft. This damping effect helps reduce mechanical stress on connected equipment by mitigating the impact of sudden load changes and torsional vibrations that may occur during start-ups, shut-downs, or varying operating conditions.
  • Torque Limiting: In high-load situations, a fluid coupling can provide torque limiting capabilities. When the load exceeds a certain threshold, the fluid coupling slips, preventing excessive torque from reaching the driven shaft. This feature acts as a protective mechanism, preventing overloading and mechanical stress on both the coupling and connected equipment.
  • Shock Absorption: In applications where shock loads or overloads are common, a fluid coupling can absorb and dampen the impact of such events. This ability to cushion shocks prevents abrupt changes in torque and rotational speed, reducing mechanical stress and potential damage to the equipment.
  • Speed Control: In certain applications, fluid couplings can facilitate speed control of the driven shaft by adjusting the amount of fluid in the coupling. The ability to control the speed of connected equipment without abrupt changes contributes to smoother operation and lower mechanical stress.

By incorporating a fluid coupling into a power transmission system, mechanical stress on connected equipment can be significantly reduced, leading to improved equipment reliability, extended component life, and reduced maintenance costs. Fluid couplings are commonly used in heavy machinery, conveyors, crushers, mining equipment, marine propulsion systems, and various other industrial applications where smooth and controlled power transmission is critical.

It is important to select the appropriate fluid coupling size, type, and features based on the specific application requirements to ensure optimal performance and stress reduction. Regular maintenance and adherence to the manufacturer’s guidelines are essential to preserve the benefits of using fluid couplings and maintain their effectiveness in reducing mechanical stress on connected equipment.

fluid coupling

Disadvantages and Limitations of Fluid Couplings

While fluid couplings offer numerous advantages, they also have some disadvantages and limitations that should be considered for specific applications:

  • Power Loss: Fluid couplings introduce a power loss due to the slip that occurs during power transmission. This power loss can reduce the overall efficiency of the system, especially in applications with high-speed variations.
  • Torque Multiplication: Unlike torque converters, fluid couplings have limited torque multiplication capabilities. They do not provide as much torque increase at low speeds, which may be necessary for certain heavy-load applications.
  • Temperature Sensitivity: Fluid couplings are sensitive to temperature changes. In extremely hot or cold conditions, the viscosity of the fluid may vary, affecting the coupling’s performance.
  • Fluid Contamination: Contaminants in the fluid can adversely affect the performance and lifespan of the fluid coupling. Regular maintenance and monitoring of the fluid quality are essential to prevent potential issues.
  • Speed Limitations: Fluid couplings may have speed limitations in certain applications. High-speed operations can lead to centrifugal forces that may affect the coupling’s behavior.
  • Complexity in Control: In some cases, controlling the output speed of the fluid coupling can be more challenging compared to other types of couplings. This complexity may require additional control mechanisms.
  • Cost: Fluid couplings can be more expensive than some mechanical couplings, such as belt and chain drives. The initial cost and ongoing maintenance expenses should be considered in the selection process.

Despite these limitations, fluid couplings remain a popular choice in many industrial applications, thanks to their smooth power transmission, overload protection, and torsional vibration damping capabilities. The decision to use a fluid coupling should be based on a thorough understanding of the specific requirements and operating conditions of the machinery or equipment.

China Custom 1/8China Custom 1/8
editor by CX 2023-11-30

China Best Sales Small 1/8 Inch 3.2mm Hose Barb Valved Fluid Quick Connect Tube Fitting Shut off Quick Disconnect Coupling

Product Description

Product Description

 

Product Name Small 1/8 Inch 3.2mm Hose Barb Valved Fluid Quick Connect Tube Fitting Shut Off Quick Disconnect Coupling
Technology Injection Molding
Usage Standard flow quick-disconnect couplings require a body and an insert in the same flow size. Plug insert into body to connect fitting and easily disconnect the fitting by simply press the thumb latch.
Application medical devices, laboratory, life science, biopharmaceutical, biochemical analysis, bioengineering, circulating water cooling pipe system, water treatment and disinfection, food&beverage, packaging machinery, industrial and hundreds of other applications;
Adapted Medium Gas/Liquid
Material  POM Plastic
Seal Ring Material Buna-N/FKM/EPDM/Silicone rubber, depend on your usage
Valve Spring 316 Stainless Steel 
Temperature Range  32°F – 180°F (0°C – 82°C)
Pressure Range Vacuum to 100 psi, 6.9bar
Valve Option Valved(shut off) or Non-valved (straight through)
Shape Option Panel Mount/In-line/Elbow/NPT Threaded;
Hose Barb Size 1/16″ =1.6mm (01); 1/8″= 3.2mm (02); 3/16″= 4.8mm (03); 

1/4″=6.4mm  (04); 5/16″=8mm (05); 3/8″=9.6mm  (06);

Threaded End 1/8″-27NPT, 1/4″-18NPT Male Thread

1/4″ Flow rate, 1/8″(3.2mm) Hose Barb Valved Coupling Body&Insert

 

Related Products You May Like

1/4″ Flow Rate All Plastic Series Couplings

1/8″ Flow Rate Medium Series Couplings

1/16″ Flow Rate Small Series Couplings

 

FAQ

 

Q1: Are you trading company or manufacturer?
A1: We are 15 years factory. Welcome to visit our factory.
 
Q2:What is your sample policy?
A2:
1. Only for terminal  manufacturer;
2. Please kindly provide detail  information of company for sample application process. Sample is available after confirmed and approved by management;
3.The international freight cost should be paid by the applicant;
 
Q3:What is your terms of payment?
A3: 100% payment before delivery; T/T 50% as deposit when mass customization, the balance before shipment.
 
Q4: How about your delivery time?
A4: Generally, it will take about 7-15 days after payment confirmed. The specific delivery time depends on the items and the ordered quantity .
 
Q5:What’s the shipping way?
A5: Usually by DHL, UPS, TNT, FedEx express or as your request.
 
Q6: Can you produce according to the samples?
A6: Yes, we can produce by your samples or technical drawings. We accept ODM & OEM.

 

Packaging & Shipping

 

Company Profile

Our company has specialized in researchs and developments, designs, manufactures, promotes and sales of a variety of plastic fittings, plastic connectors,quick disconnect couplings, check valves, filters, CHINAMFG pumps, solenoid valves,plastic tubings and other accessories applied in fluid systems. Our products are widely used in all kinds of products, machinery,devices and process of liquid and gas pipe system, In the life sciences and special industrial markets have thousands of applications to be used, Such as blood pressure, blood oxygen monitoring module and blood gas recovery equipment, biochemical analysis/inspection equipment, dialysis water treatment equipment, treatment and reuse equipment, breathing anesthesia, incubator, bioengineering and circulating water cooling pipe system,  solvent printer, inkjet printer,film printer and ink supply system, water quality online analytical instruments, laboratory equipment, food machinery, fermentation system process equipment, plating equipment, PCB&LCD process equipment, chemical equipment, packaging machinery, water treatment and disinfection equipment, inflatable products, automation equipment…And so on.
Depending on the 15-years experience in various fluidic control systems, our company has had a set of comprehensive manufacturing systems involving in R&D and design, mold manufacture, plastic injection, assembly & inspection, finished-product sales and warehousing logistics. It has many advantages of stable quality, efficient production and punctual delivery, which can be said a trustworthy partner.
Following different requirements from wider customers, including drawings or samples offering, our company can offer satisfied design services and mass customized services.
We’re looking forwards to cooperating with a wide range of OEMs and ODMs.

 

fluid coupling

Fluid Couplings in Marine Propulsion Systems

Yes, fluid couplings can be and are commonly used in marine propulsion systems. They offer several advantages that make them well-suited for such applications:

  • Smooth Power Transmission: Fluid couplings provide smooth power transmission, which is beneficial for marine propulsion where abrupt changes in power delivery can be detrimental to the vessel’s stability and performance.
  • Torque Limiting: In marine applications, fluid couplings can act as torque limiters, protecting the propulsion system and engine from sudden torque surges and overloads, which can occur during maneuvers or when encountering resistance in water.
  • Impact Damping: The hydrodynamic principle of fluid couplings helps dampen impacts and shocks in the propulsion system, reducing wear and tear on the components and extending their lifespan.
  • Load Sharing: In multi-engine marine setups, fluid couplings facilitate load sharing between engines, ensuring each engine contributes its share of power to achieve optimal propulsion efficiency.
  • Start-up Performance: Fluid couplings enable controlled and gradual acceleration during start-up, which is crucial for large vessels and applications where sudden torque spikes could damage the drivetrain or disturb the vessel’s balance.
  • Overload Protection: The fluid coupling’s ability to slip at high loads provides inherent overload protection to the marine propulsion system, safeguarding it against potential damage.

Fluid couplings used in marine applications are specially designed to withstand the harsh conditions of the marine environment, including exposure to saltwater, humidity, and vibration. They are available in various sizes and configurations to accommodate different marine vessel types and power requirements.

Overall, fluid couplings offer reliable and efficient power transmission solutions for marine propulsion systems, contributing to the safe and smooth operation of the vessel.

fluid coupling

Cost Implications of Using Fluid Couplings in Comparison to Other Power Transmission Methods

The cost implications of using fluid couplings in power transmission depend on various factors, including the application requirements, the size of the system, and the operational conditions. While fluid couplings offer several advantages, they may have different cost considerations compared to other power transmission methods like mechanical clutches, VFDs (Variable Frequency Drives), and direct mechanical drives.

1. Initial Investment:

The initial cost of a fluid coupling can be higher than that of a mechanical clutch or a direct mechanical drive. Fluid couplings contain precision components, including the impeller and turbine, which can impact their initial purchase price.

2. Maintenance Costs:

Fluid couplings are generally considered to have lower maintenance costs compared to mechanical clutches. Mechanical clutches have wear and tear components that may require more frequent replacements, leading to higher maintenance expenses over time.

3. Energy Efficiency:

Fluid couplings are highly efficient in power transmission, especially during soft-start applications. Their ability to reduce shock loads and provide a smooth acceleration can result in energy savings and operational cost reductions.

4. Space and Weight:

Fluid couplings are usually more compact and lighter than some mechanical clutches, which can be advantageous in applications with space constraints or weight limitations.

5. Specific Application Considerations:

The suitability and cost-effectiveness of fluid couplings versus other power transmission methods can vary based on specific application requirements. For example, in soft-start applications, fluid couplings may be the preferred choice due to their ability to reduce mechanical stress and protect connected equipment.

6. Lifespan and Reliability:

While the initial cost of a fluid coupling might be higher, their longevity and reliability can lead to lower overall life cycle costs compared to other power transmission methods.

In conclusion, the cost implications of using fluid couplings in power transmission depend on the particular application and the total cost of ownership over the equipment’s lifespan. Although fluid couplings may have a higher initial investment, their long-term reliability, energy efficiency, and lower maintenance costs can make them a cost-effective choice in many industrial applications.

fluid coupling

Fluid Couplings and Energy Efficiency in Power Transmission

Fluid couplings play a significant role in improving energy efficiency in power transmission systems. They achieve this by enabling smooth and efficient torque transmission while reducing energy losses during various operating conditions.

One of the key factors contributing to the energy efficiency of fluid couplings is their hydrodynamic principle of operation. When power is transmitted through a fluid coupling, it operates on the principle of hydrodynamic power transmission. The primary component, known as the impeller, rotates and imparts motion to the fluid inside the coupling. This motion creates a hydrodynamic force that transmits the torque to the output side.

During the initial startup or when there is a significant speed difference between the input and output shafts, the fluid coupling allows the input shaft to accelerate gradually. This feature, known as the soft start, reduces the mechanical stress on the connected components and the power source. By avoiding sudden acceleration, fluid couplings minimize the energy spikes that occur during direct starts in systems without couplings.

Moreover, fluid couplings act as a torque limiter when the load exceeds a certain threshold. This characteristic, known as the slip, allows the fluid coupling to disengage slightly when the torque reaches a predetermined level. As a result, it protects the system from overloads and reduces energy wastage during high-stress conditions.

Additionally, fluid couplings help mitigate the impact of shock loads and torsional vibrations, which can reduce wear and tear on mechanical components. By minimizing vibrations and shock loads, fluid couplings contribute to longer equipment life and, consequently, lower maintenance and replacement costs.

However, it’s important to note that like any mechanical component, fluid couplings have some energy losses due to viscous drag and heat dissipation. While modern fluid couplings are designed with improved efficiency, these losses need to be considered when assessing the overall energy efficiency of a power transmission system.

In summary, fluid couplings enhance energy efficiency in power transmission by providing soft starts, torque limiting, and damping of vibrations, thus reducing energy wastage and extending the life of the connected equipment.

China Best Sales Small 1/8 Inch 3.2mm Hose Barb Valved Fluid Quick Connect Tube Fitting Shut off Quick Disconnect Coupling  China Best Sales Small 1/8 Inch 3.2mm Hose Barb Valved Fluid Quick Connect Tube Fitting Shut off Quick Disconnect Coupling
editor by CX 2023-11-29

China Best Sales 1/8″ 1/4″NPT in-Line Pipe Thread Plastic Disconnect Fluid Quick Connect Shut off Threaded Couplings

Product Description

Product Description

 

Product Name 1/8″ 1/4″NPT In-line Pipe Thread Plastic Disconnect Fluid Quick Connect Shut Off Threaded Couplings
Technology Injection Molding
Usage Standard flow quick-disconnect couplings require a body and an insert in the same flow size. Plug insert into body to connect fitting and easily disconnect the fitting by simply press the thumb latch.
Application medical devices, laboratory, life science, biopharmaceutical, biochemical analysis, bioengineering, circulating water cooling pipe system, water treatment and disinfection, food&beverage, packaging machinery, industrial and hundreds of other applications;
Adapted Medium Gas/Liquid
Material  POM Plastic
Seal Ring Material Buna-N/FKM/EPDM/Silicone rubber, depend on your usage
Valve Spring 316 Stainless Steel 
Temperature Range  32°F – 180°F (0°C – 82°C)
Pressure Range Vacuum to 100 psi, 6.9bar
Valve Option Valved(shut off) or Non-valved (straight through)
Shape Option Panel Mount/In-line/Elbow/NPT Threaded;
Hose Barb Size 1/16″ =1.6mm (01); 1/8″= 3.2mm (02); 3/16″= 4.8mm (03); 

1/4″=6.4mm  (04); 5/16″=8mm (05); 3/8″=9.6mm  (06);

Threaded End 1/8″-27NPT, 1/4″-18NPT Male Thread

1/4″ Flow rate, 1/4″(6.4mm), 5/16″(7.9mm), 3/8″(9.5mm) Hose Barb Coupling Insert

 

Related Products You May Like

1/4″ Flow Rate All Plastic Series Couplings

1/8″ Flow Rate Medium Series Couplings

1/16″ Flow Rate Small Series Couplings

 

FAQ

 

Q1: Are you trading company or manufacturer?
A1: We are 15 years factory. Welcome to visit our factory.
 
Q2:What is your sample policy?
A2:
1. Only for terminal  manufacturer;
2. Please kindly provide detail  information of company for sample application process. Sample is available after confirmed and approved by management;
3.The international freight cost should be paid by the applicant;
 
Q3:What is your terms of payment?
A3: 100% payment before delivery; T/T 50% as deposit when mass customization, the balance before shipment.
 
Q4: How about your delivery time?
A4: Generally, it will take about 7-15 days after payment confirmed. The specific delivery time depends on the items and the ordered quantity .
 
Q5:What’s the shipping way?
A5: Usually by DHL, UPS, TNT, FedEx express or as your request.
 
Q6: Can you produce according to the samples?
A6: Yes, we can produce by your samples or technical drawings. We accept ODM & OEM.

 

Packaging & Shipping

 

Company Profile

Our company has specialized in researchs and developments, designs, manufactures, promotes and sales of a variety of plastic fittings, plastic connectors,quick disconnect couplings, check valves, filters, CHINAMFG pumps, solenoid valves,plastic tubings and other accessories applied in fluid systems. Our products are widely used in all kinds of products, machinery,devices and process of liquid and gas pipe system, In the life sciences and special industrial markets have thousands of applications to be used, Such as blood pressure, blood oxygen monitoring module and blood gas recovery equipment, biochemical analysis/inspection equipment, dialysis water treatment equipment, treatment and reuse equipment, breathing anesthesia, incubator, bioengineering and circulating water cooling pipe system,  solvent printer, inkjet printer,film printer and ink supply system, water quality online analytical instruments, laboratory equipment, food machinery, fermentation system process equipment, plating equipment, PCB&LCD process equipment, chemical equipment, packaging machinery, water treatment and disinfection equipment, inflatable products, automation equipment…And so on.
Depending on the 15-years experience in various fluidic control systems, our company has had a set of comprehensive manufacturing systems involving in R&D and design, mold manufacture, plastic injection, assembly & inspection, finished-product sales and warehousing logistics. It has many advantages of stable quality, efficient production and punctual delivery, which can be said a trustworthy partner.
Following different requirements from wider customers, including drawings or samples offering, our company can offer satisfied design services and mass customized services.
We’re looking forwards to cooperating with a wide range of OEMs and ODMs.

 

fluid coupling

Noise and Vibration Issues with Fluid Couplings

Fluid couplings are generally designed to operate smoothly and quietly, but certain factors may lead to noise or vibration issues in some cases:

  • Imbalanced Components: If the components of the fluid coupling, such as the impeller and runner, are not balanced properly, it can result in vibrations during operation. Regular maintenance and balancing can help mitigate this issue.
  • High Operating Speeds: At high speeds, fluid couplings can generate more noise and vibration due to increased fluid turbulence. Using damping techniques or selecting appropriate coupling types can help reduce these effects.
  • Fluid Level: Incorrect fluid levels in the coupling can lead to inadequate lubrication and cause noise during operation. Regularly checking and maintaining the fluid level can prevent such problems.
  • Misalignment: Misalignment between the driving and driven shafts can result in increased noise and vibration. Proper alignment during installation is essential to avoid this issue.
  • Fluid Characteristics: The choice of fluid can also impact noise and vibration levels. Using fluids with appropriate viscosity and lubricating properties can help achieve smoother and quieter operation.
  • Aging or Contaminated Fluids: Over time, the fluid in the coupling may degrade or become contaminated, leading to increased friction and noise. Regular fluid replacement and maintenance can prevent this problem.

Addressing noise and vibration issues with fluid couplings involves proper installation, regular maintenance, and using high-quality components and fluids. Consulting with manufacturers or experts can help identify and resolve any specific noise or vibration concerns in the power transmission system.

fluid coupling

Role of Fluid Coupling in Torque Multiplication and Power Transfer

A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It operates on the principles of fluid dynamics and hydrokinetics to enable torque multiplication and efficient power transfer. Here’s how a fluid coupling achieves these functions:

  • Hydrodynamic Torque Converter: A fluid coupling is essentially a hydrodynamic torque converter. When the input shaft (driving shaft) rotates, it sets the transmission fluid inside the coupling in motion. The fluid experiences centrifugal forces, creating a high-velocity zone near the outer circumference and a low-velocity zone near the center. This velocity difference generates torque in the fluid coupling, allowing power to be transmitted from the input shaft to the output shaft (driven shaft).
  • Torque Multiplication: One of the primary advantages of a fluid coupling is its ability to provide torque multiplication. During startup or when the load on the driven shaft is initially low, the fluid coupling slips to some extent, which allows the input shaft to rotate at a higher speed than the output shaft. This speed difference results in torque multiplication, enabling the fluid coupling to handle higher loads during acceleration or heavy starting conditions.
  • Power Transfer Efficiency: Fluid couplings offer high power transfer efficiency due to the hydrodynamic nature of their operation. The smooth and continuous transmission of power through the fluid medium minimizes energy losses and mechanical wear, leading to more efficient power transmission compared to mechanical clutches or direct-coupling methods.
  • Load Adaptability: Fluid couplings automatically adjust their slip to adapt to changing load conditions. When the load on the output shaft increases, the fluid coupling slips more, allowing the output shaft to slow down slightly and match the load demand. This load adaptability ensures smooth and stable power transfer even under varying operating conditions.

Fluid couplings are commonly used in applications where torque multiplication and smooth power transfer are essential. They find widespread use in heavy machinery, mining equipment, conveyors, crushers, marine propulsion systems, and many other industrial applications. By efficiently transferring power while providing torque multiplication, fluid couplings help optimize the performance and longevity of power transmission systems.

Proper selection of the fluid coupling based on the application’s torque and power requirements is crucial to ensure optimal torque multiplication and power transfer. Additionally, regular maintenance and monitoring of the fluid coupling’s condition are essential to maintain its efficiency and reliability over time.

fluid coupling

Environmental Concerns Related to Fluid Coupling Operation

Fluid couplings are generally considered environmentally friendly and pose minimal direct environmental concerns during their operation. They do not contain hazardous materials or produce harmful emissions, making them a relatively safe choice for power transmission systems.

However, it is essential to consider some potential indirect environmental impacts associated with the use of fluid couplings in certain applications:

  1. Energy Efficiency: As discussed earlier, fluid couplings can improve energy efficiency in power transmission systems. By reducing energy wastage and optimizing torque transmission, they indirectly contribute to lower energy consumption. Energy efficiency is crucial in industries where high power consumption may have environmental implications due to increased energy demand from power plants.
  2. Maintenance Practices: Regular maintenance is essential to ensure optimal performance and longevity of fluid couplings. Proper maintenance reduces the risk of leaks and other potential issues that could lead to fluid spillage. Implementing sound maintenance practices can prevent environmental contamination and contribute to sustainable operations.
  3. Fluid Selection: The choice of fluid used in the coupling can impact the environment. While most fluid couplings use environmentally safe hydraulic fluids, it is essential to ensure that the selected fluid complies with environmental regulations and does not pose any environmental hazards if accidentally released.
  4. End-of-Life Disposal: At the end of their lifecycle, fluid couplings may need to be disposed of properly. The recycling or disposal of fluid couplings should follow local environmental regulations to minimize any potential environmental impact.

Overall, fluid couplings themselves are not a significant source of environmental concerns. Still, it is essential to consider their indirect impacts, such as energy efficiency, maintenance practices, fluid selection, and end-of-life disposal, to ensure responsible and environmentally conscious use.

China Best Sales 1/8China Best Sales 1/8
editor by CX 2023-11-21

China Best Sales Coupling Fluid Hydraulic Fluid Drive Roller Chain Jaw Spider Rubber Flexible Jaw Disc Aluminum Stainless Steel Coupling

Product Description

          Coupling Fluid Hydraulic Fluid Drive Roller Chain Jaw Spider Rubber Flexible Jaw Disc Aluminum Stainless Steel Coupling

Application of Fluid Coupling

A flexible coupling is a mechanical device that connects 2 shafts that may not be perfectly aligned. It allows for misalignment in both the axial and angular directions, and it also helps to absorb shock and vibration. Flexible couplings are used in a variety of applications, including:

  • Machine tools: Flexible couplings are used in machine tools to connect the motor to the workpiece. This allows for misalignment between the motor and the workpiece, which can occur due to thermal expansion or vibration.
  • Conveyors: Flexible couplings are used in conveyors to connect the drive motor to the conveyor belt. This allows for misalignment between the motor and the conveyor belt, which can occur due to the weight of the belt or the unevenness of the floor.
  • Wind turbines: Flexible couplings are used in wind turbines to connect the generator to the turbine blades. This allows for misalignment between the generator and the turbine blades, which can occur due to the wind.
  • Pumps: Flexible couplings are used in pumps to connect the motor to the pump shaft. This allows for misalignment between the motor and the pump shaft, which can occur due to the weight of the pump or the unevenness of the fluid being pumped.
  • Other applications: Flexible couplings are also used in a variety of other applications, such as:
    • Air compressors: Flexible couplings are used in air compressors to connect the motor to the compressor shaft. This allows for misalignment between the motor and the compressor shaft, which can occur due to the weight of the compressor or the unevenness of the air being compressed.
    • Fans: Flexible couplings are used in fans to connect the motor to the fan blade. This allows for misalignment between the motor and the fan blade, which can occur due to the weight of the fan or the unevenness of the air being circulated.
    • Mixers: Flexible couplings are used in mixers to connect the motor to the mixer shaft. This allows for misalignment between the motor and the mixer shaft, which can occur due to the weight of the mixer or the unevenness of the material being mixed.

Flexible couplings are a versatile and useful tool that can be used in a variety of applications. They are an efficient and effective way to connect 2 shafts that may not be perfectly aligned.

fluid coupling

Impact of Fluid Coupling on the Overall Reliability of a Power Transmission System

A fluid coupling can significantly contribute to the overall reliability of a power transmission system in various ways:

  • Smooth Power Transmission: Fluid couplings facilitate smooth power transmission between the driving and driven components, minimizing shocks and vibrations during startup and operation. This reduces the risk of sudden failures or damages to connected equipment.
  • Overload Protection: Fluid couplings offer inherent overload protection by allowing controlled slip during sudden load changes or overloads. This protects the system from excessive stresses and prevents damage to the motor and driven machinery.
  • Reduced Mechanical Wear: The smooth operation of fluid couplings reduces mechanical wear on connected components, such as gearboxes, belts, and chains. This results in longer service life and decreased maintenance requirements.
  • Increased Equipment Life: By reducing stress and wear on the entire power transmission system, fluid couplings can extend the service life of motors, gearboxes, and other components. This enhances the overall reliability of the system over an extended period.
  • Enhanced System Safety: The ability of fluid couplings to protect against shock loads and overloads enhances the safety of personnel working with or near the machinery. It prevents sudden and unpredictable movements, reducing the risk of accidents and injuries.
  • Stable Performance: Fluid couplings maintain a constant speed ratio between the driving and driven shafts, ensuring stable and predictable performance of the power transmission system. This predictability aids in maintaining process stability and efficiency.

Incorporating a properly sized and selected fluid coupling into a power transmission system can improve its reliability, reduce downtime, and prevent costly breakdowns. Regular maintenance and monitoring of the fluid coupling also play a crucial role in ensuring long-term reliability and trouble-free operation.

fluid coupling

Cost Implications of Using Fluid Couplings in Comparison to Other Power Transmission Methods

The cost implications of using fluid couplings in power transmission depend on various factors, including the application requirements, the size of the system, and the operational conditions. While fluid couplings offer several advantages, they may have different cost considerations compared to other power transmission methods like mechanical clutches, VFDs (Variable Frequency Drives), and direct mechanical drives.

1. Initial Investment:

The initial cost of a fluid coupling can be higher than that of a mechanical clutch or a direct mechanical drive. Fluid couplings contain precision components, including the impeller and turbine, which can impact their initial purchase price.

2. Maintenance Costs:

Fluid couplings are generally considered to have lower maintenance costs compared to mechanical clutches. Mechanical clutches have wear and tear components that may require more frequent replacements, leading to higher maintenance expenses over time.

3. Energy Efficiency:

Fluid couplings are highly efficient in power transmission, especially during soft-start applications. Their ability to reduce shock loads and provide a smooth acceleration can result in energy savings and operational cost reductions.

4. Space and Weight:

Fluid couplings are usually more compact and lighter than some mechanical clutches, which can be advantageous in applications with space constraints or weight limitations.

5. Specific Application Considerations:

The suitability and cost-effectiveness of fluid couplings versus other power transmission methods can vary based on specific application requirements. For example, in soft-start applications, fluid couplings may be the preferred choice due to their ability to reduce mechanical stress and protect connected equipment.

6. Lifespan and Reliability:

While the initial cost of a fluid coupling might be higher, their longevity and reliability can lead to lower overall life cycle costs compared to other power transmission methods.

In conclusion, the cost implications of using fluid couplings in power transmission depend on the particular application and the total cost of ownership over the equipment’s lifespan. Although fluid couplings may have a higher initial investment, their long-term reliability, energy efficiency, and lower maintenance costs can make them a cost-effective choice in many industrial applications.

fluid coupling

What is a Fluid Coupling and How Does It Work?

A fluid coupling is a type of hydraulic device used to transmit torque and power between two shafts without direct mechanical contact. It consists of three main components: the impeller, the turbine, and the housing. Fluid couplings are commonly used in various industrial applications, such as heavy machinery, conveyors, and automotive drivetrains.

Working Principle: The fluid coupling operates based on the principle of hydrodynamic power transmission. It uses a hydraulic fluid (usually oil) to transfer torque from the driving shaft (input) to the driven shaft (output).

1. Impeller: The impeller is mounted on the input shaft and is connected to the prime mover (e.g., an electric motor or an engine). When the prime mover rotates the impeller, it creates a swirling motion in the hydraulic fluid.

2. Turbine: The turbine is connected to the output shaft and is responsible for transmitting the torque to the driven system. The swirling motion of the hydraulic fluid generated by the impeller causes the turbine to rotate.

3. Fluid Filling: The area between the impeller and the turbine is filled with hydraulic fluid. As the impeller rotates, it creates a vortex in the fluid, which in turn causes the turbine to rotate.

4. Fluid Coupling Working: As the impeller and turbine are enclosed in the housing, the hydraulic fluid transfers rotational energy from the impeller to the turbine without any direct physical connection. The fluid coupling allows some slip between the impeller and the turbine, which enables smooth torque transmission, dampens shock loads, and provides overload protection.

5. Slip: Under normal operating conditions, there is a slight speed difference (slip) between the impeller and the turbine. This slip allows the fluid coupling to absorb shock loads and dampen vibrations, protecting the connected machinery from sudden jolts and overloads.

Fluid couplings are advantageous in applications where a gradual start-up and controlled acceleration are required. They provide a smoother and more flexible power transmission compared to direct mechanical couplings like gear couplings or belt drives.

However, it’s important to note that fluid couplings have some energy loss due to the slip, which can result in reduced efficiency compared to direct mechanical couplings like gear couplings or belt drives.

China Best Sales Coupling Fluid Hydraulic Fluid Drive Roller Chain Jaw Spider Rubber Flexible Jaw Disc Aluminum Stainless Steel Coupling  China Best Sales Coupling Fluid Hydraulic Fluid Drive Roller Chain Jaw Spider Rubber Flexible Jaw Disc Aluminum Stainless Steel Coupling
editor by CX 2023-11-16

China Professional Yox-250 Hydraulic Air Coupling Constant Filling Fluid Couplings

Product Description

Fluid coupling 

Product Application

Improve the starting capability of electric motor, protect motor against overloading, damp shock, load fluctuation and torsional vibration, and balance and load distribution in case of multimotor drives.Belt conveyers, csraper conveyers, and conveyers of all kinds Bucket elevators, ball mills, hoisters, crushers, excavators, mixers, straighteners, cranes, etc.

Main Features

1. Applies to flexible drive shaft ,allowing a larger axial radial displacement and displacement.
2.Has a simple structure,easy maintenance .
3.Disassembly easy
4.low noise
5.Transmission efficiency loss,long useful working life.

 

Related Products

       
Our Company

Ever-power Group specialist in making all kinds of mechanical transmission and hydraulic transmission like: planetary gearboxes, worm reducers, in-line helical gear speed reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, auto gearboxes, pto shafts, special reducer & related gear components and other related products, sprockets, hydraulic system, vacuum pumps, fluid coupling, gear racks, chains, timing pulleys, udl speed variators, v pulleys, hydraulic cylinder, gear pumps, screw air compressors, shaft collars low backlash worm reducers and so on. furthermore, we can produce customized variators, geared motors, electric motors and other hydraulic products according to customers’ drawings.

We provides a reliable grantee for the product’ s quality by advanced inspection and testing equipment. professional technical team, exquisite processing technology and strict control system. 
In recent years, the company has been developing rapidly by its rich experience in production, advanced management system, standardized management system, strong technical force. We always adhere the concept of survival by quality, and development by innovation in science and technology. 
Our Group is willing to work with you hand in hand and create brilliance together! 

Material available
Low carbon steel, C45, 20CrMnTi, 42CrMo, 40Cr, stainless steel. Can be adapted regarding customer requirements.
Surface treatment
Blacking, galvanization, chroming, electrophoresis, color painting, …

 

Heat treatment
High frequency quenching heat treatment, hardened teeth, carbonizing, nitride, …
 
Certifications
FAQ:

Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us.

Packing & Delivery
 

 

 

 

fluid coupling

Key Parameters in Designing a Fluid Coupling System

Designing a fluid coupling system requires careful consideration of various parameters to ensure optimal performance and efficiency. Here are the key parameters to take into account:

  • Power Rating: Determine the power requirements of the connected equipment to select a fluid coupling with an appropriate power rating. Undersized couplings may lead to overheating and premature wear, while oversized couplings can result in energy losses.
  • Input and Output Speeds: Consider the rotational speeds of the input and output shafts to ensure the fluid coupling can accommodate the desired speed range without slipping or exceeding its limitations.
  • Torque Capacity: Calculate the maximum torque expected in the system and choose a fluid coupling with a torque capacity that exceeds this value to handle occasional overloads and prevent damage.
  • Fluid Viscosity: The viscosity of the fluid inside the coupling affects its torque transmission capabilities. Select a fluid viscosity suitable for the application and operating conditions.
  • Start-Up and Load Conditions: Analyze the start-up torque and load variations during operation. The fluid coupling should be capable of handling these conditions without excessive slip or stress on the drivetrain.
  • Environmental Factors: Consider the ambient temperature, humidity, and potential exposure to contaminants. Ensure the fluid coupling’s materials and sealing mechanisms can withstand the environmental conditions.
  • Size and Weight: Optimize the size and weight of the fluid coupling to minimize space requirements and facilitate installation and maintenance.
  • Torsional Resonance: Evaluate torsional resonances in the system and select a fluid coupling with appropriate damping characteristics to mitigate vibrations.
  • Overload Protection: Determine if overload protection features, such as slip or torque limiting, are necessary to safeguard the connected equipment from damage.
  • Compatibility: Ensure the fluid coupling is compatible with the specific application, including the type of driven equipment, its mechanical characteristics, and any other interrelated components in the drivetrain.
  • Operational Costs: Consider the long-term operational costs, maintenance requirements, and efficiency of the fluid coupling to optimize the overall lifecycle cost of the system.
  • Safety Standards: Adhere to relevant safety standards and regulations in the design and installation of the fluid coupling system to ensure safe and reliable operation.

By carefully evaluating these parameters and selecting a fluid coupling that aligns with the specific requirements of the application, engineers can design a reliable and efficient fluid coupling system for various industrial and power transmission applications.

fluid coupling

Role of Fluid Coupling in Reducing Mechanical Stress on Connected Equipment

A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It plays a crucial role in reducing mechanical stress on connected equipment, offering several benefits in various industrial applications. Here’s how a fluid coupling achieves this:

  • Smooth Power Transmission: Fluid couplings use hydraulic principles to transmit torque. When the input shaft (driving shaft) rotates, it imparts motion to the fluid inside the coupling. The fluid transmits torque to the output shaft (driven shaft) through the hydraulic coupling, resulting in smooth and gradual power transmission. This eliminates sudden jerks and mechanical shocks that could otherwise lead to increased stress on connected equipment.
  • Damping Effect: Fluid couplings act as a damping element, absorbing vibrations and torsional oscillations from the driving shaft. This damping effect helps reduce mechanical stress on connected equipment by mitigating the impact of sudden load changes and torsional vibrations that may occur during start-ups, shut-downs, or varying operating conditions.
  • Torque Limiting: In high-load situations, a fluid coupling can provide torque limiting capabilities. When the load exceeds a certain threshold, the fluid coupling slips, preventing excessive torque from reaching the driven shaft. This feature acts as a protective mechanism, preventing overloading and mechanical stress on both the coupling and connected equipment.
  • Shock Absorption: In applications where shock loads or overloads are common, a fluid coupling can absorb and dampen the impact of such events. This ability to cushion shocks prevents abrupt changes in torque and rotational speed, reducing mechanical stress and potential damage to the equipment.
  • Speed Control: In certain applications, fluid couplings can facilitate speed control of the driven shaft by adjusting the amount of fluid in the coupling. The ability to control the speed of connected equipment without abrupt changes contributes to smoother operation and lower mechanical stress.

By incorporating a fluid coupling into a power transmission system, mechanical stress on connected equipment can be significantly reduced, leading to improved equipment reliability, extended component life, and reduced maintenance costs. Fluid couplings are commonly used in heavy machinery, conveyors, crushers, mining equipment, marine propulsion systems, and various other industrial applications where smooth and controlled power transmission is critical.

It is important to select the appropriate fluid coupling size, type, and features based on the specific application requirements to ensure optimal performance and stress reduction. Regular maintenance and adherence to the manufacturer’s guidelines are essential to preserve the benefits of using fluid couplings and maintain their effectiveness in reducing mechanical stress on connected equipment.

fluid coupling

Selecting the Right Size of Fluid Coupling for Your Application

To ensure optimal performance and efficiency, it’s essential to choose the right size of fluid coupling for a specific application. Here are the key steps in the selection process:

  1. Identify the Application Requirements: Understand the torque and power requirements of your application. Determine the maximum torque and power that the fluid coupling needs to transmit to meet the operational demands of the machinery or equipment.
  2. Check the Speed Range: Consider the speed range of your application. Ensure that the fluid coupling can operate effectively within the desired speed range, providing adequate torque transfer across the entire speed spectrum.
  3. Consider the Fluid Coupling Type: Choose the appropriate type of fluid coupling based on the specific needs of your application. Hydrodynamic fluid couplings are suitable for applications requiring smooth and gradual torque transmission, while constant-fill fluid couplings are more suitable for applications where some slip is acceptable.
  4. Calculate the Service Factor: Determine the service factor, which accounts for any additional loads or impacts the fluid coupling may experience during operation. Multiply the maximum torque requirement by the service factor to obtain the design torque.
  5. Refer to Manufacturer Data: Consult the manufacturer’s data sheets and specifications for various fluid coupling models. Compare the design torque with the torque capacity of different fluid coupling sizes to find the most suitable match for your application.
  6. Consider Safety Margins: It’s advisable to apply safety margins to ensure reliable operation. Select a fluid coupling with a torque capacity higher than the calculated design torque to account for potential variations in load or operating conditions.
  7. Verify Space Constraints: Ensure that the selected fluid coupling fits within the available space in your machinery or equipment, considering any installation restrictions or dimensional limitations.

By following these steps and carefully evaluating the requirements of your specific application, you can select the right size of fluid coupling that will deliver optimal performance, efficiency, and reliability.

China Professional Yox-250 Hydraulic Air Coupling Constant Filling Fluid Couplings  China Professional Yox-250 Hydraulic Air Coupling Constant Filling Fluid Couplings
editor by CX 2023-11-10

China Standard 1/8″ 1/4″NPT in-Line Pipe Thread Plastic Disconnect Fluid Quick Connect Shut off Threaded Couplings

Product Description

Product Description

 

Product Name 1/8″ 1/4″NPT In-line Pipe Thread Plastic Disconnect Fluid Quick Connect Shut Off Threaded Couplings
Technology Injection Molding
Usage Standard flow quick-disconnect couplings require a body and an insert in the same flow size. Plug insert into body to connect fitting and easily disconnect the fitting by simply press the thumb latch.
Application medical devices, laboratory, life science, biopharmaceutical, biochemical analysis, bioengineering, circulating water cooling pipe system, water treatment and disinfection, food&beverage, packaging machinery, industrial and hundreds of other applications;
Adapted Medium Gas/Liquid
Material  POM Plastic
Seal Ring Material Buna-N/FKM/EPDM/Silicone rubber, depend on your usage
Valve Spring 316 Stainless Steel 
Temperature Range  32°F – 180°F (0°C – 82°C)
Pressure Range Vacuum to 100 psi, 6.9bar
Valve Option Valved(shut off) or Non-valved (straight through)
Shape Option Panel Mount/In-line/Elbow/NPT Threaded;
Hose Barb Size 1/16″ =1.6mm (01); 1/8″= 3.2mm (02); 3/16″= 4.8mm (03); 

1/4″=6.4mm  (04); 5/16″=8mm (05); 3/8″=9.6mm  (06);

Threaded End 1/8″-27NPT, 1/4″-18NPT Male Thread

1/4″ Flow rate, 1/4″(6.4mm), 5/16″(7.9mm), 3/8″(9.5mm) Hose Barb Coupling Insert

 

Related Products You May Like

1/4″ Flow Rate All Plastic Series Couplings

1/8″ Flow Rate Medium Series Couplings

1/16″ Flow Rate Small Series Couplings

 

FAQ

 

Q1: Are you trading company or manufacturer?
A1: We are 15 years factory. Welcome to visit our factory.
 
Q2:What is your sample policy?
A2:
1. Only for terminal  manufacturer;
2. Please kindly provide detail  information of company for sample application process. Sample is available after confirmed and approved by management;
3.The international freight cost should be paid by the applicant;
 
Q3:What is your terms of payment?
A3: 100% payment before delivery; T/T 50% as deposit when mass customization, the balance before shipment.
 
Q4: How about your delivery time?
A4: Generally, it will take about 7-15 days after payment confirmed. The specific delivery time depends on the items and the ordered quantity .
 
Q5:What’s the shipping way?
A5: Usually by DHL, UPS, TNT, FedEx express or as your request.
 
Q6: Can you produce according to the samples?
A6: Yes, we can produce by your samples or technical drawings. We accept ODM & OEM.

 

Packaging & Shipping

 

Company Profile

Our company has specialized in researchs and developments, designs, manufactures, promotes and sales of a variety of plastic fittings, plastic connectors,quick disconnect couplings, check valves, filters, CHINAMFG pumps, solenoid valves,plastic tubings and other accessories applied in fluid systems. Our products are widely used in all kinds of products, machinery,devices and process of liquid and gas pipe system, In the life sciences and special industrial markets have thousands of applications to be used, Such as blood pressure, blood oxygen monitoring module and blood gas recovery equipment, biochemical analysis/inspection equipment, dialysis water treatment equipment, treatment and reuse equipment, breathing anesthesia, incubator, bioengineering and circulating water cooling pipe system,  solvent printer, inkjet printer,film printer and ink supply system, water quality online analytical instruments, laboratory equipment, food machinery, fermentation system process equipment, plating equipment, PCB&LCD process equipment, chemical equipment, packaging machinery, water treatment and disinfection equipment, inflatable products, automation equipment…And so on.
Depending on the 15-years experience in various fluidic control systems, our company has had a set of comprehensive manufacturing systems involving in R&D and design, mold manufacture, plastic injection, assembly & inspection, finished-product sales and warehousing logistics. It has many advantages of stable quality, efficient production and punctual delivery, which can be said a trustworthy partner.
Following different requirements from wider customers, including drawings or samples offering, our company can offer satisfied design services and mass customized services.
We’re looking forwards to cooperating with a wide range of OEMs and ODMs.

 

fluid coupling

Handling Overloads and Stall Conditions in Fluid Couplings

A fluid coupling is designed to handle overloads and stall conditions in power transmission systems. When an overload or stall occurs, the fluid coupling utilizes its unique operating principle to protect the drivetrain and the connected machinery:

  • Slip Feature: One of the key characteristics of a fluid coupling is its ability to slip at high torque loads. When an overload situation arises, the fluid coupling allows some relative motion between the input and output sides, known as slip. This slip absorbs the excess torque and prevents it from being transferred to the driven equipment, effectively protecting it from damage.
  • Fluid Circulation: During normal operation, the fluid inside the coupling circulates smoothly between the impeller and turbine, transmitting torque with minimal losses. However, when an overload or stall condition occurs, the fluid circulation may become turbulent, generating heat in the process. This heat dissipation helps in absorbing and dissipating the excess energy, preventing the transmission system from experiencing sudden stress.
  • Automatic Reconnection: After an overload or stall condition, once the excess torque is dissipated through slip and heat, the fluid coupling automatically reconnects the input and output sides, resuming the power transmission. This automatic reconnection ensures that the system returns to normal operation once the overload situation is resolved.
  • Sturdy Construction: Fluid couplings are designed with robust and durable materials to withstand high torque and thermal stresses during overload conditions. The strong construction ensures that the fluid coupling remains reliable and operational even after multiple overload events.

Overall, a fluid coupling’s ability to handle overloads and stall conditions makes it a reliable and essential component in various industrial applications. By providing overload protection and slip characteristics, fluid couplings help prevent costly damage to equipment, increase operational safety, and contribute to the longevity of the entire power transmission system.

fluid coupling

Fluid Coupling: Dealing with Oil Leakage and Sealing Issues

Fluid couplings are designed to be sealed units to prevent the leakage of the internal fluid (usually oil or a similar hydraulic fluid). Proper sealing is crucial for the efficient and reliable operation of the fluid coupling, as any oil leakage can lead to reduced performance, contamination, and potential damage to the surrounding components.

Here are some key factors related to oil leakage and sealing issues in fluid couplings:

  • Seal Design: The sealing system in a fluid coupling typically involves shaft seals and gaskets. High-quality seals are essential to prevent oil from escaping and contaminants from entering the coupling. The design and material selection of these seals play a significant role in maintaining effective sealing.
  • Installation: Proper installation of the fluid coupling is critical to ensure that the seals are correctly positioned and securely fitted. Any misalignment or damage during installation can lead to oil leakage issues.
  • Maintenance: Regular maintenance is essential to detect and address any potential sealing problems early on. Inspections should be conducted periodically to check for signs of oil leakage, wear on the seals, and any damage to the coupling housing.
  • Fluid Selection: The choice of fluid used inside the coupling can also influence its sealing performance. Using the recommended fluid type and quality specified by the manufacturer is essential for maintaining proper sealing.
  • Operating Conditions: The operating environment can impact the sealing effectiveness. Extreme temperature variations or harsh working conditions may affect the integrity of the seals over time.

If oil leakage or sealing issues are observed in a fluid coupling, immediate action should be taken to address the problem. This may involve replacing worn-out seals, resealing the coupling, or investigating potential causes such as misalignment or excessive heat generation.

Additionally, regular inspection and maintenance of the fluid coupling can help prevent sealing problems before they escalate. Early detection and appropriate maintenance can extend the lifespan of the fluid coupling and ensure reliable power transmission in various industrial applications.

Consulting with the manufacturer or a qualified engineer for guidance on proper maintenance and troubleshooting of fluid coupling sealing issues is recommended.

fluid coupling

Examples of Industries Using Fluid Couplings

Fluid couplings find applications in various industries where smooth power transmission and torque control are required. Some common industries that commonly use fluid couplings include:

  • Mining: Fluid couplings are used in mining equipment such as conveyors, crushers, and excavators to provide controlled startup and overload protection.
  • Construction: Construction machinery like cranes, loaders, and piling rigs use fluid couplings for efficient power transmission and reduced shock loads.
  • Marine: Fluid couplings are employed in marine propulsion systems to optimize engine performance and protect against sudden load changes.
  • Steel and Metal Processing: Industries dealing with metal processing use fluid couplings in rolling mills, coilers, and metal forming machines for soft start and overload protection.
  • Pulp and Paper: Pulp and paper mills utilize fluid couplings in various equipment, such as chippers, conveyors, and pumps, for smooth power transmission.
  • Automotive: In automotive applications, fluid couplings can be found in torque converters, which provide smooth torque transmission in automatic transmissions.
  • Energy and Power Generation: Fluid couplings are used in power plants for applications like fans, pumps, and turbines to control power transmission and reduce mechanical stress during startup.
  • Wastewater Treatment: Fluid couplings are used in wastewater treatment plants for applications like aerators and pumps, ensuring efficient power transmission and equipment protection.
  • Food and Beverage: Industries dealing with food processing and beverage production use fluid couplings in various applications to ensure gentle power transmission and prevent sudden load shocks.
  • Chemical and Petrochemical: Fluid couplings are used in pumps and mixers in chemical and petrochemical processing to control torque and protect equipment.

These examples illustrate the versatility of fluid couplings and their widespread use across diverse industries to enhance the efficiency and safety of power transmission systems.

China Standard 1/8China Standard 1/8
editor by CX 2023-11-09

China high quality Aluminum Hardcoat Male NPT Thread Engineered Fluid Transfer Couplings

Product Description

Aluminum Hardcoat Male NPT Thread Engineered Fluid Transfer Couplings

Stainless steel camlock coupling is produced according to standard A-A-59326(Mil-C-27487) or EN14420-7(DIN2828), also known as Cam &groove couplings, they are mainly composed of the male adapter and female coupler. Camlock coupling is easy to install. During the process of installation, no tools are required and hand pressure is enough. Stainless steel camlock is suitable for transporting acidic, alkaline, corrosive substances, seawater, wastewater, hydraulic oil, etc.
The use and connection way of cam and groove couplings: Type A camlock can usually be used with D type, C type, DC type. ( Dust Cap ) To make a connection, simply slide the camlock adapter into the camlock coupling and with normal hand pressure, press the cam levers down.
 

Name:  SS camlock fitting Type A
Sizes: 1/2” – 8”
MOQ: 50 pcs
Certificates:  CE, ISO9001:2015
 Standard: A-A-59236(replaced Mil-C-2787) or EN14420-7(replaced DIN2828)
Material:  Stainless Steel 316 / 304
Working pressure: 250 PSI
Application: Hydraulic oil, coolant, gasoline and petroleum products, fuel delivery, water treatment, brine, wastewater, chemical transportation and storage etc.
Advantage: Lightweight, flexible and interchangeable, convenient that connect and disconnect without tools
HS code: 7609000000

Description:
Cam and groove couplings description:
Body material:Stainless steel 316 or 340
Handles &pins:Stainless steel
Gaskets:Buna-N, EPDM,PTFE &food grade silicone gasket
The thread of camlock fittings is BSP, BSPT, NPT, G (ISO 228.1), and R (DIN2999).
SIZE:1/2″ to 8″
Working pressure:50-250 Psi( depending on size and temperature)
Manufacture method:precision casting

Industry applications:
Petroleum, mining, municipal, construction, chemicals, agriculture
Hydraulic fluids, coolant, gasoline and petroleum products, fuel transport, irrigation, water treatment, seawater, wastewater, chemicals transport and storage

Our Advantage

We are experienced as we have been in this industry as a manufacturer for more than 10 years. Both of quality and service are highly guaranteed. Absolutely prompt delivery. We can produce according to specific drawings from customers. Welcome OEM/ODM project. Strict control on quality. High efficient and well trained sale service team.  ISO9001, CE and SGS certified.

FAQ

1.Q: Are you a producer or trading company?
   A: We are an experienced manufacturer. We own production line and kinds of machines.  

2.Q: Can you make our specific logo on the part?
    A: Yes please provide me your logo and we will make your logo on the part.

3.Q: Can you manufacture products according to my drawings?
   A: Yes we can manufacturer according to client’s drawings if drawings or samples are available. We are experienced enough       to make new tools.

4. Q: Can I get some samples?
    A: We are honored to offer you our samples. Normally it is for free like 3-5 pcs. It is charged if the samples are more than 5        pcs. Clients bear the freight cost.

5. Q: How many days do you need to finish an order?
    A: Normally it takes about 30 days to finish the order. It takes more time around CHINAMFG season, or if the order involves many        kinds of different products.  

6. Q: What kind of rubber washer do you apply to camlock couplings?
     A: Normally we use NBR gasket.

contact-info.html

fluid coupling

Fluid Couplings in Marine Propulsion Systems

Yes, fluid couplings can be and are commonly used in marine propulsion systems. They offer several advantages that make them well-suited for such applications:

  • Smooth Power Transmission: Fluid couplings provide smooth power transmission, which is beneficial for marine propulsion where abrupt changes in power delivery can be detrimental to the vessel’s stability and performance.
  • Torque Limiting: In marine applications, fluid couplings can act as torque limiters, protecting the propulsion system and engine from sudden torque surges and overloads, which can occur during maneuvers or when encountering resistance in water.
  • Impact Damping: The hydrodynamic principle of fluid couplings helps dampen impacts and shocks in the propulsion system, reducing wear and tear on the components and extending their lifespan.
  • Load Sharing: In multi-engine marine setups, fluid couplings facilitate load sharing between engines, ensuring each engine contributes its share of power to achieve optimal propulsion efficiency.
  • Start-up Performance: Fluid couplings enable controlled and gradual acceleration during start-up, which is crucial for large vessels and applications where sudden torque spikes could damage the drivetrain or disturb the vessel’s balance.
  • Overload Protection: The fluid coupling’s ability to slip at high loads provides inherent overload protection to the marine propulsion system, safeguarding it against potential damage.

Fluid couplings used in marine applications are specially designed to withstand the harsh conditions of the marine environment, including exposure to saltwater, humidity, and vibration. They are available in various sizes and configurations to accommodate different marine vessel types and power requirements.

Overall, fluid couplings offer reliable and efficient power transmission solutions for marine propulsion systems, contributing to the safe and smooth operation of the vessel.

fluid coupling

Fluid Couplings in Hydraulic Drive Systems

Yes, fluid couplings can be used in hydraulic drive systems to transmit power and control the speed of driven components. In hydraulic drive systems, fluid couplings act as a torque converter, providing a smooth and gradual transfer of power between the input and output shafts.

The basic principle of a fluid coupling remains the same whether it is used in a mechanical drive system or a hydraulic drive system. The fluid coupling consists of an input impeller connected to the prime mover (such as an electric motor or an engine) and an output runner connected to the driven component.

When the prime mover is activated, it drives the input impeller, creating a flow of hydraulic fluid within the coupling. This fluid flow creates a hydrodynamic torque that is transferred to the output runner, driving the connected component. The fluid coupling allows for a controlled slip between the input and output, allowing the driven component to start smoothly and gradually reach its desired speed.

In hydraulic drive systems, fluid couplings offer several advantages:

  • Smooth Torque Transmission: Fluid couplings provide smooth torque transmission, reducing shocks and vibrations in the system.
  • Overload Protection: Fluid couplings can protect the drive system from overloads by allowing some slip in the event of sudden changes in load or jamming of the driven component.
  • Speed Control: By controlling the flow of hydraulic fluid, the speed of the driven component can be precisely regulated.
  • Energy Efficiency: Fluid couplings can help improve energy efficiency by reducing mechanical losses and optimizing power transmission.

Hydraulic drive systems with fluid couplings are commonly used in various industrial applications, including conveyor systems, mining equipment, marine propulsion, and more. They offer reliable and efficient power transmission while protecting the machinery from excessive loads and shocks.

It’s essential to consider the specific requirements of the hydraulic drive system and the characteristics of the fluid coupling to ensure optimal performance and efficiency in the application.

fluid coupling

Can Fluid Couplings be Retrofitted into Existing Machinery?

Yes, fluid couplings can be retrofitted into existing machinery in many cases. Retrofitting is a process of adding new components or technologies to existing equipment to improve its performance or functionality. Fluid couplings are versatile and can often be integrated into various industrial machines and power transmission systems.

The process of retrofitting a fluid coupling involves several steps:

  1. Evaluation: Before retrofitting, a thorough evaluation of the existing machinery is necessary. Engineers need to assess the machine’s design, power requirements, and other relevant factors to determine the suitability of a fluid coupling.
  2. Compatibility: Fluid couplings should be compatible with the existing machine’s shaft, motor, and driven equipment. If necessary, modifications may be required to ensure a proper fit.
  3. Installation: The installation process involves mounting the fluid coupling onto the machine’s shaft and connecting it to the motor and driven equipment.
  4. Alignment: Precise alignment of the fluid coupling is crucial for optimal performance and to avoid issues such as vibration and wear.
  5. Testing: After installation, the retrofitted system undergoes testing to ensure that it functions as intended and meets the desired performance goals.

Retrofitting fluid couplings can offer various benefits, including:

  • Improved Energy Efficiency: Fluid couplings can enhance energy efficiency by reducing power losses and improving the overall power transmission system’s efficiency.
  • Enhanced Protection: Fluid couplings provide protection against shocks and overloads, safeguarding the machinery and its components from damage.
  • Reduced Maintenance: The smooth start and reduced stress on the machine during operation can lead to lower maintenance requirements and longer equipment lifespan.
  • Soft Start: Fluid couplings offer a soft start, which reduces the mechanical stress on the machine during startup, extending its life and minimizing downtime.

However, it is essential to involve qualified engineers and technicians for the retrofitting process to ensure proper installation, alignment, and performance of the fluid coupling in the existing machinery.

China high quality Aluminum Hardcoat Male NPT Thread Engineered Fluid Transfer Couplings  China high quality Aluminum Hardcoat Male NPT Thread Engineered Fluid Transfer Couplings
editor by CX 2023-10-23

China wholesaler Chemical Industry Corrosion Resistance Fluid Aluminum Pipe Fittings Equal Coupling

Product Description

Product Description

System Advantages: Product Advantages:
-Better Performance  -Sleek internal surface
-Higher Sustainability  -Low pressure loss for the arc bending
-More Efficient  -Full bore design pipe fitting
-More Flexible Access  -Safe connection with bulge loop and staple bolt
-Better Energy Efficiency    -Spatial active sealing technology
  -Gooseneck type quick connection mode

Equal Pipe to Pipe Connector

1. Complete Reliability Removable and reusable components, perfect for your factory environment
Fast installation of shunt device and branch pipeline, convenient adjustment of production line
Rich interfaces and accessories, suitable for any system
All components are nonflammable
2. Better Corrosion Resistance than 304 Stainless Steel Anti-corrosion Internal Surface Treatment of Aluminum Alloy Pipe
Alkali and acid corrosion resistance
Internal surface always clean, no pressure loss of the pipe network system
3. Easy Operation Pipelines and connectors can be installed immediately without additional treatment — no pre construction preparation is required
Fast assembly, no welding, gluing or stranding required – time saving
Easy assembley- no need for training
Light weight, easy for cutting pipes — easier to work on site
Directly use — the system can be tested and used immediately
4. Energy Saving Consistently high quality interior surfaces – clean air
Low friction of inner surface — high flow performance
Precise pipe diameter – optimized sealing
Automatic filling type large contact surface sealing system ,no leakage
5. Excellent Resistance against the Following Environments Corrosion
Mechanical vibration
Thermal variations
U.V
Compressor oil
6. Durable, Beauty Electrostatic spraying when leaving the factory
Standard color, beautiful appearance

Product Parameters

Equal Pipe to Pipe Connector

Product model Nominal diameter mm W mm Hmm
11 571030 DN20 48 52
22 571030 DN25 53 52

DN40 80 75
55 5710 30 DN50 90 75
66 5710 30 DN65 122 106
77 5710 30 DN80 142 106
88 5710 30 DN100 158 106
99 5710 30 DN125 180 106
CC 5710 30 DN148 224 130
BB 5710 30 DN200 280 130

 

Product Category & Application

Upipe dedicates to the sustainable, efficient and energy efficiency fluid transportation system

Company Profile

HangZhou JIEU FLUID TECHNOLOGYCO., LTD. is a manufacturing company specialized in aluminum pipe, pipe fitting and industrial aluminum profile, which integrated in R&D, production, sales and installation. The group locates at economic and technological development zone of HangZhou, ZheJiang , with a floor space of 200 mu and total investment of 180 million yuan. With 5 aluminum alloy tube extrusion production lines, 3 deep processing production line for finished products, and 2 production lines for industrial aluminum profile, the annual production capacity can be 3,000 tons of aluminum alloy pipe and 8,000 tons of industrial aluminum profile. It has become the large-scale aluminum alloy manufacturer with first-class technical equipment as it has the state-of-the-art production and inspection equipment, including mold center, inspection center, R&D and other equipment imported from Germany, South Korea and Japan.
The company engages in the innovation and deep processing of non-ferrous materials and has launched high intensity aluminum alloy pipe, stainless-steel pipe, copper-aluminum composite pipe, aluminum pipe with internal thread, high-frequency welding of aluminum alloy collector pipe and pipe fittings, satisfying the demands of customers across the world with more diversified and better products.  

Our Customers

With the sustained innovation in design, JIEU strives to improve the reliability and durability of the products constantly. With the complete innovation, strict working condition design and rigorous quality control, JIEU ensures the production of high-quality products, providing powerful technical support for every project while minimizing your cost. JIEU will offer you with the perfect total solution for the fluid transportation so as to realize the optimal return of investment and safeguard the efficient productivity of customers.

Exhibition

Certifications

After Sales Service

Ten-year quality guarantee

Our company will replace or repair the product free of charge for the quality problem within 10 years from the installation and acceptance of UPIPE series product.

The exclusion clause shall not cover the problem or damage caused by the following reasons, which will be included but not limited to the following:

1. The product or component has been out of the warranty period, except for the product with extended quality assurance service.
2. The product has not been installed according to our stipulation or exceeded the applicable scope stipulated by our company. The product fails to be operated according to our company’s manual and requirements of pertinent installation and maintenance document or it has been applied in a working environment that is against our stipulation. The damage caused by improper installation, storage or operation (for example, the ambient temperature is too high, too low or in a corrosive environment or hit by external force and so on.)
3. The breakdown or damage caused by unauthorized installation, repair, modification or dismounting performed by our company’s after-sales personnel or the designated service agent, except for the third-party after-sales service agency entrusted by the company.

 

fluid coupling

Handling Overloads and Stall Conditions in Fluid Couplings

A fluid coupling is designed to handle overloads and stall conditions in power transmission systems. When an overload or stall occurs, the fluid coupling utilizes its unique operating principle to protect the drivetrain and the connected machinery:

  • Slip Feature: One of the key characteristics of a fluid coupling is its ability to slip at high torque loads. When an overload situation arises, the fluid coupling allows some relative motion between the input and output sides, known as slip. This slip absorbs the excess torque and prevents it from being transferred to the driven equipment, effectively protecting it from damage.
  • Fluid Circulation: During normal operation, the fluid inside the coupling circulates smoothly between the impeller and turbine, transmitting torque with minimal losses. However, when an overload or stall condition occurs, the fluid circulation may become turbulent, generating heat in the process. This heat dissipation helps in absorbing and dissipating the excess energy, preventing the transmission system from experiencing sudden stress.
  • Automatic Reconnection: After an overload or stall condition, once the excess torque is dissipated through slip and heat, the fluid coupling automatically reconnects the input and output sides, resuming the power transmission. This automatic reconnection ensures that the system returns to normal operation once the overload situation is resolved.
  • Sturdy Construction: Fluid couplings are designed with robust and durable materials to withstand high torque and thermal stresses during overload conditions. The strong construction ensures that the fluid coupling remains reliable and operational even after multiple overload events.

Overall, a fluid coupling’s ability to handle overloads and stall conditions makes it a reliable and essential component in various industrial applications. By providing overload protection and slip characteristics, fluid couplings help prevent costly damage to equipment, increase operational safety, and contribute to the longevity of the entire power transmission system.

fluid coupling

Special Considerations for Using Fluid Couplings in Explosive Environments

Fluid couplings are widely used in various industrial applications, including those in potentially explosive environments. When considering the use of fluid couplings in such settings, several special considerations must be taken into account to ensure safety and compliance with regulations:

  • Explosion-Proof Design: Fluid couplings used in explosive environments must be designed to prevent the ignition of flammable gases or vapors. They should adhere to explosion-proof standards and be equipped with robust seals and protective enclosures to contain any potential sparks or flames.
  • Ingress Protection: An appropriate ingress protection (IP) rating is essential to prevent dust, moisture, or other hazardous substances from entering the fluid coupling. A higher IP rating ensures greater protection against potential sources of ignition.
  • Material Selection: The choice of materials for the fluid coupling is crucial in explosive environments. Non-sparking or anti-static materials should be used to reduce the risk of ignition caused by friction or electrical discharge.
  • Temperature Limitations: Fluid couplings operating in explosive environments must have temperature ratings that prevent overheating and potential ignition of flammable substances. The fluid coupling should be adequately cooled to maintain safe operating temperatures.
  • Monitoring and Maintenance: Regular monitoring and maintenance of fluid couplings in explosive environments are essential. Periodic inspections can detect potential issues or wear that could compromise the safety of the coupling. Any maintenance or repair work should be carried out by qualified personnel following safety protocols.
  • Compliance with Regulations: Depending on the industry and location, there may be specific regulations and safety standards that govern the use of equipment in explosive atmospheres. It is crucial to adhere to these regulations and ensure that the fluid coupling complies with all relevant safety requirements.

Fluid couplings used in explosive environments play a vital role in ensuring the safe and reliable operation of industrial machinery. By providing smooth and controlled power transmission, fluid couplings can help minimize risks and improve the overall safety of the equipment and personnel in these hazardous settings.

Before implementing fluid couplings in explosive environments, it is essential to conduct a thorough risk assessment and consult with experts familiar with the specific safety requirements of the industry. By taking appropriate safety measures and selecting suitable explosion-proof fluid couplings, the risks associated with using power transmission equipment in hazardous areas can be effectively mitigated.

fluid coupling

Principle of Hydrodynamic Fluid Coupling

A hydrodynamic fluid coupling operates on the principle of hydrokinetics, utilizing hydraulic fluid to transmit power between an engine or prime mover and a driven load. The key components of a fluid coupling are the impeller, the turbine, and the housing filled with hydraulic fluid.

Here’s how the principle works:

  1. Impeller: The impeller is connected to the engine’s crankshaft and is responsible for driving the hydraulic fluid. As the impeller rotates, it creates a flow of fluid within the housing.
  2. Fluid Flow: The rotational motion of the impeller causes the fluid to move radially outward, towards the housing walls. This generates a high-velocity fluid flow in the housing.
  3. Turbine: The turbine is connected to the driven load, such as a transmission or machinery input shaft. As the fluid flows onto the blades of the turbine, it causes the turbine to rotate.
  4. Power Transmission: The kinetic energy of the high-velocity fluid is transferred to the turbine, resulting in the rotation of the driven load. The power transmission is achieved purely through the hydrodynamic effect of the fluid flow.
  5. Slip: In a fluid coupling, there is always a slight difference in speed (slip) between the impeller and the turbine. This slip is necessary to allow the fluid to accelerate from rest to the speed of the turbine. As a result, the output speed of the driven load is always slightly less than the input speed from the engine.

Hydrodynamic fluid couplings provide several advantages, such as smooth power transmission, overload protection, and torsional vibration dampening. However, they do not provide torque multiplication like torque converters do, making them more suitable for applications where precise speed matching is required.

China wholesaler Chemical Industry Corrosion Resistance Fluid Aluminum Pipe Fittings Equal Coupling  China wholesaler Chemical Industry Corrosion Resistance Fluid Aluminum Pipe Fittings Equal Coupling
editor by CX 2023-10-21