Tag Archives: rubber couplings

China Good quality PE Compression Straight Couplings with Rubber Oring Brass Orings Inside

Product Description

 Product Name Brass PE compression fitting 
 Color  Natural brass color
   Keyword   plumbing brass fittings
   Application Water Pipe System
   Working pressure PN25
Work Temperature   -20°C to 110°C
   Use  For PE pipes/pPR pipes
   Weight  141-1452g
Guarantee time  60 years
Surface treatment original sandblasting
Discount Available
Sample time  7days
   MOQ 1000pcs

Product Description

Brass fitting for PE/PPR pipe
1) Material: Brass, alloy: C37700. DZR, H59-1
2) Range of the application: Cold and hot water supply, Water Drain. Industry water supply and Drain. Plumbing.
3) Most popular for European Market, as Greece, Spain, Endland and Germany
4) Pakcage: Plastic bags to 1 box.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

compression coupling

Usability of Compression Couplings for Permanent and Temporary Pipe Connections

Compression couplings are versatile fittings that can be used for both permanent and temporary pipe connections, depending on the specific needs of the application:

Permanent Connections: Compression couplings can be used to create durable and long-lasting connections in plumbing and piping systems. When installed properly and with the appropriate sealing materials, compression couplings can provide reliable and leak-proof connections that are suitable for permanent installations. These couplings are often used in residential, commercial, and industrial plumbing projects where a secure and lasting connection is required.

Temporary Connections: Compression couplings can also be used for temporary connections, especially when the need for reconfiguration or maintenance arises. Their ease of installation and removal makes them convenient for situations where pipes or components need to be temporarily connected and later disconnected. This flexibility is particularly useful in situations where pipes might need to be moved or repositioned for maintenance or adjustments.

It’s important to note that while compression couplings can be used for temporary connections, they are designed to create secure seals that resist leaks. As such, they can be relied upon for both permanent and temporary applications, providing a balance between ease of use and durability.

compression coupling

Suitability of Compression Couplings for Potable Water and Corrosive Fluids

Compression couplings can be suitable for applications involving both potable water and corrosive fluids, depending on the materials used in their construction:

1. Potable Water: Compression couplings made from materials approved for potable water use, such as brass, stainless steel, or certain types of plastics, can be safely used in plumbing systems that carry drinking water. These couplings provide a reliable and leak-free connection without introducing contaminants or affecting water quality.

2. Corrosive Fluids: Compression couplings can also be suitable for corrosive fluids if they are made from materials that are resistant to the specific corrosive agents present in the fluid. For example, stainless steel compression couplings are often used for corrosive fluids due to their resistance to a wide range of chemicals and substances.

It’s important to select compression couplings that are compatible with the fluid being transported. Couplings made from materials that are chemically resistant to the fluids in the system will ensure the longevity of the coupling and maintain the integrity of the plumbing or piping system.

compression coupling

Installation Process of a Compression Coupling in Plumbing Systems

The installation of a compression coupling in plumbing systems involves the following steps:

  1. Prepare the Pipes: Cut the pipes to the desired lengths and ensure that the ends are clean and free from debris or burrs.
  2. Slide on Compression Nut and Ferrule: Slide the compression nut onto one of the pipes, followed by the compression ferrule.
  3. Insert the Coupling: Insert the other pipe end into the coupling body until it reaches the desired depth.
  4. Tighten the Nut: Slide the compression nut and ferrule over the other pipe end and thread the nut onto the coupling body. Hand-tighten the nut initially.
  5. Use Wrenches: Use two wrenches—one to hold the coupling body steady and another to tighten the compression nut. Make sure not to overtighten to avoid damaging the coupling or pipes.
  6. Check for Leaks: Turn on the water supply and check for any leaks around the coupling. If there are no leaks, the installation is successful.

Compression couplings provide a convenient and effective way to join pipes without the need for soldering or welding. Proper installation ensures a secure and leak-resistant connection in plumbing systems.

China Good quality PE Compression Straight Couplings with Rubber Oring Brass Orings Inside  China Good quality PE Compression Straight Couplings with Rubber Oring Brass Orings Inside
editor by CX 2024-02-23

China Good quality Pn10 PVC Fittings Rubber Ring Joint Repaired Compression Couplings

Product Description

Pn10 PVC Fittings Rubber Ring Joint Repaired Compression Couplings
1.Product Description

2.Material

Items Name PVC repaired compression couplings
Material Polyvinyl chloride  
Size 110~315 mm
Color Grey or Customized
Connection Use Rubber Ring Joint
Pressure ( Dn <160 )  ≥PN12,5 ( under 1000 hours )  
( Dn ≥160 )  ≥PN10    ( under 1000 hours )
Standard ISO1452
Certification ISO14001,SGS,ISO9001,CE

3.Application
Our plastic valve is widely used in ultra-pure water, deionized/distilled and demineralized water systems, clean chemical processes, petroleum, Chlor-alkali, smelting, dye,  electroplating, environmental protection, pharmaceutical operations, and food processing.

Our products include hydraulic control valve series, balance valve series, soft seal hair series, multi-function water pump control valve series, butterfly valve series, check valve series, groove valve series, fire special valve and stainless steel corrugated compensator, etc. A series of more than 1000 specifications.

4.About Us

SWD PLASTIC (Salvador Industrial Co., Ltd) is a leading and professional manufacturer and exporter for UPVC, CPVC, PPH, PVDF pipes, valves and fittings in China. We stick to the principle of ” Quality First, Service First, Continuous Improvement and Innovation to Meet the Customers”, and the quality management objective of ” Zero Defect, Zero Complaints”. 

SWD Products are widely used in Agricultural Irrigation, Wastewater Treatment, Aquaculture, Pharmaceutical Industry, Electroplating, Papermaking Industry…

Most of our products confirm to ANSI, DIN, BS, JIS & TIS standard and have been already sold to United States, Canada, Mexico, Chile, Colombia, Peru, Russia, Saudi Arabia, UAE, Iran, Iraq, Thailand, Philippines, Indonesia, Malaysia etc. With very good reputation. 

With rich experience in piping & duct systems, we will provide best solutions and services to you.
Welcome to our company visit and discuss business, sincerely hope our professional technology and individual service can win your trust and favor, looking CHINAMFG to cooperate with friends all over the world, let′s do CHINAMFG business together!

5.Packaging
We value the packaging of our products. Multi-layer packaging prevents impurities from adhering to the valve body and is brought into the media

6.FAQ: (Frequently Asked Questions)

1. What is your MOQ?
Our MOQ is usually 5 CTNS.

2. What is your delivery time?
Our delivery is about 30-45days.

3. What are your payment terms?
We accept T/T, 100% L/C, or West Union and so on.

4. Could you provide free samples?
Usually, we offer free samples, customer bear the freight cost.

5. Why choose us?

Firstly,  comparing with many factories, our prices are more competitive.

Secondly,  We 100% test working pressure for ALL our products, and we inspect 5 times every order.
1) Inspect when the ball valves come out from the injection moulding machine
2) Inspect when adding O-rings
3) Inspect when installing handle caps
4) Inspect after working pressure test
5) Inspect before packing

Finally,  After- Services will be highly satisfied. Any problems and feedbacks will be responded efficiently.

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compression coupling

Identifying Leaks or Improper Sealing in a Compression Coupling

Compression couplings are designed to create a tight and secure seal between pipes. However, leaks or improper sealing can still occur. Here are signs to watch for and steps to address them:

  • Water Dripping: If you notice water dripping from the coupling joint, it’s a clear sign of a leak. Inspect the area closely to identify the source of the leak.
  • Pooling Water: Pools of water forming around the coupling can indicate a leak. This can lead to water damage and should be addressed promptly.
  • Water Stains: Water stains on nearby surfaces can be a result of a slow leak from the coupling. Check for discoloration or dampness.
  • Reduced Water Pressure: Leaks can lead to a decrease in water pressure in the affected area. If you experience sudden pressure drops, inspect the couplings for leaks.
  • Audible Hissing or Whistling: Sometimes, leaks can produce a hissing or whistling sound. Listen carefully near the coupling to detect any unusual noises.

If you suspect a leak or improper sealing in a compression coupling, here’s what you can do:

  • Tighten the Coupling: If the coupling is slightly loose, use a wrench to gently tighten it. Avoid over-tightening, as it could damage the coupling or pipes.
  • Check the O-Ring or Gasket: Compression couplings often use rubber O-rings or gaskets for sealing. Inspect these components for damage or wear. Replace them if necessary.
  • Inspect Pipe Ends: Ensure that the pipe ends are clean, smooth, and free from debris. Rough or uneven pipe ends can prevent a proper seal.
  • Reassemble and Test: Disassemble the coupling, inspect all parts, and reassemble it carefully. Turn on the water supply and monitor for any signs of leakage.
  • Consider Professional Help: If leaks persist or you’re unsure about addressing the issue, it’s recommended to seek assistance from a professional plumber.

Regular inspection and maintenance of compression couplings can help prevent leaks and ensure the proper functioning of plumbing systems.

compression coupling

Handling Thermal Expansion and Contraction with Compression Couplings

Compression couplings are designed to accommodate thermal expansion and contraction in pipes, which can occur due to temperature changes. Here’s how they handle these changes:

When pipes are exposed to higher temperatures, they expand in length. Compression couplings feature a flexible design that allows them to adjust their length to match the expansion of the pipes. The coupling’s compressible components, such as the rubber or elastomeric sealing elements, can deform slightly to absorb the increased length of the pipe without causing stress or distortion.

Conversely, when pipes are subjected to lower temperatures, they contract in length. The flexible nature of compression couplings allows them to contract along with the pipes, preventing any undue stress or pressure on the pipe connections. The compressible elements within the coupling can adjust to the reduced length of the pipe, ensuring a tight and secure seal.

This ability to accommodate thermal expansion and contraction is crucial in preventing damage to the pipes, coupling, and the overall plumbing system. Compression couplings provide a reliable and effective solution for maintaining the integrity of the pipes and connections while withstanding temperature fluctuations.

compression coupling

Primary Functions and Benefits of Compression Couplings

A compression coupling serves several primary functions and offers several benefits when used in plumbing and piping systems:

  • Leak Prevention: One of the main functions of a compression coupling is to create a secure and watertight connection between two pipes, preventing leaks and minimizing water damage.
  • Easy Installation: Compression couplings are relatively easy to install compared to other methods like soldering or welding. They require no special tools or skills, making them suitable for both professionals and DIY enthusiasts.
  • Flexibility: Compression couplings offer a degree of flexibility, allowing them to accommodate slight misalignments or movements in the connected pipes.
  • Quick Repairs: These couplings are often used for quick and temporary repairs, helping to restore functionality to a plumbing system without extensive downtime.
  • Compatibility: Compression couplings are versatile and can be used to connect pipes made from different materials, such as copper, PVC, or PEX.
  • No Heat Required: Unlike soldering or welding, compression couplings don’t require heat, making them suitable for situations where heat-sensitive materials are involved.
  • No Special Equipment: Installing compression couplings does not require specialized equipment or open flames, making them safer and more accessible for various applications.
  • Cost-Effective: Compression couplings offer a cost-effective solution for connecting pipes and making repairs without the need for expensive tools or labor.

Overall, compression couplings provide a reliable and convenient way to connect pipes, repair leaks, and maintain the integrity of plumbing and piping systems in various environments.

China Good quality Pn10 PVC Fittings Rubber Ring Joint Repaired Compression Couplings  China Good quality Pn10 PVC Fittings Rubber Ring Joint Repaired Compression Couplings
editor by CX 2024-02-11

China supplier PE Compression Straight Couplings with Rubber Oring Brass Orings Inside

Product Description

 Product Name Brass PE compression fitting 
 Color  Natural brass color
   Keyword   plumbing brass fittings
   Application Water Pipe System
   Working pressure PN25
Work Temperature   -20°C to 110°C
   Use  For PE pipes/pPR pipes
   Weight  141-1452g
Guarantee time  60 years
Surface treatment original sandblasting
Discount Available
Sample time  7days
   MOQ 1000pcs

Product Description

Brass fitting for PE/PPR pipe
1) Material: Brass, alloy: C37700. DZR, H59-1
2) Range of the application: Cold and hot water supply, Water Drain. Industry water supply and Drain. Plumbing.
3) Most popular for European Market, as Greece, Spain, Endland and Germany
4) Pakcage: Plastic bags to 1 box.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

compression coupling

Materials Used in Manufacturing Compression Couplings

Compression couplings are typically constructed using materials that offer durability, corrosion resistance, and compatibility with plumbing systems. Common materials include:

  • Brass: Brass is a popular choice due to its corrosion resistance and excellent machinability. It provides a reliable and long-lasting connection, making it suitable for both residential and commercial plumbing applications.
  • Stainless Steel: Stainless steel offers superior corrosion resistance, making it ideal for use in harsh environments or applications involving corrosive fluids. It is often chosen for its strength and longevity.
  • Copper: Copper is valued for its excellent thermal conductivity and corrosion resistance. Compression couplings made from copper are commonly used for connecting copper pipes in plumbing systems.
  • Polymer Materials: Some compression couplings feature polymer components, such as nylon or polypropylene, which are lightweight and resistant to chemicals and corrosion. These materials are often used in applications where metal couplings may not be suitable.

The choice of material depends on factors such as the type of pipes being connected, the environmental conditions, and the specific requirements of the plumbing system.

compression coupling

Suitability of Compression Couplings for Potable Water and Corrosive Fluids

Compression couplings can be suitable for applications involving both potable water and corrosive fluids, depending on the materials used in their construction:

1. Potable Water: Compression couplings made from materials approved for potable water use, such as brass, stainless steel, or certain types of plastics, can be safely used in plumbing systems that carry drinking water. These couplings provide a reliable and leak-free connection without introducing contaminants or affecting water quality.

2. Corrosive Fluids: Compression couplings can also be suitable for corrosive fluids if they are made from materials that are resistant to the specific corrosive agents present in the fluid. For example, stainless steel compression couplings are often used for corrosive fluids due to their resistance to a wide range of chemicals and substances.

It’s important to select compression couplings that are compatible with the fluid being transported. Couplings made from materials that are chemically resistant to the fluids in the system will ensure the longevity of the coupling and maintain the integrity of the plumbing or piping system.

compression coupling

Primary Functions and Benefits of Compression Couplings

A compression coupling serves several primary functions and offers several benefits when used in plumbing and piping systems:

  • Leak Prevention: One of the main functions of a compression coupling is to create a secure and watertight connection between two pipes, preventing leaks and minimizing water damage.
  • Easy Installation: Compression couplings are relatively easy to install compared to other methods like soldering or welding. They require no special tools or skills, making them suitable for both professionals and DIY enthusiasts.
  • Flexibility: Compression couplings offer a degree of flexibility, allowing them to accommodate slight misalignments or movements in the connected pipes.
  • Quick Repairs: These couplings are often used for quick and temporary repairs, helping to restore functionality to a plumbing system without extensive downtime.
  • Compatibility: Compression couplings are versatile and can be used to connect pipes made from different materials, such as copper, PVC, or PEX.
  • No Heat Required: Unlike soldering or welding, compression couplings don’t require heat, making them suitable for situations where heat-sensitive materials are involved.
  • No Special Equipment: Installing compression couplings does not require specialized equipment or open flames, making them safer and more accessible for various applications.
  • Cost-Effective: Compression couplings offer a cost-effective solution for connecting pipes and making repairs without the need for expensive tools or labor.

Overall, compression couplings provide a reliable and convenient way to connect pipes, repair leaks, and maintain the integrity of plumbing and piping systems in various environments.

China supplier PE Compression Straight Couplings with Rubber Oring Brass Orings Inside  China supplier PE Compression Straight Couplings with Rubber Oring Brass Orings Inside
editor by CX 2024-02-06

China Hot selling PE Compression Straight Couplings with Rubber Oring Brass Orings Inside

Product Description

 Product Name Brass PE compression fitting 
 Color  Natural brass color
   Keyword   plumbing brass fittings
   Application Water Pipe System
   Working pressure PN25
Work Temperature   -20°C to 110°C
   Use  For PE pipes/pPR pipes
   Weight  141-1452g
Guarantee time  60 years
Surface treatment original sandblasting
Discount Available
Sample time  7days
   MOQ 1000pcs

Product Description

Brass fitting for PE/PPR pipe
1) Material: Brass, alloy: C37700. DZR, H59-1
2) Range of the application: Cold and hot water supply, Water Drain. Industry water supply and Drain. Plumbing.
3) Most popular for European Market, as Greece, Spain, Endland and Germany
4) Pakcage: Plastic bags to 1 box.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

compression coupling

Handling Different Pipe Sizes and Pressure Ratings with Compression Couplings

Compression couplings are designed to accommodate a range of pipe sizes and pressure ratings, providing versatility and flexibility in plumbing applications. Here’s how they handle different sizes and pressure ratings:

  • Pipe Sizes: Compression couplings are available in various sizes to fit different pipe diameters. They can be used to connect pipes of the same size or pipes with different diameters, making them suitable for joining various plumbing components.
  • Pressure Ratings: Compression couplings are manufactured to meet specific pressure ratings. The pressure rating indicates the maximum pressure the coupling can handle without compromising its integrity. When selecting a compression coupling, it’s important to choose one with a pressure rating that matches or exceeds the maximum pressure expected in the plumbing system.

Compression couplings are commonly used in residential, commercial, and industrial plumbing systems, where they provide reliable connections while accommodating different pipe sizes and pressure requirements.

compression coupling

Best Practices for Proper Maintenance and Care of Compression Couplings

Maintaining compression couplings in plumbing systems is essential for their longevity and efficient performance. Follow these best practices:

  • Regular Inspections: Conduct routine visual inspections to check for leaks, corrosion, and signs of wear.
  • Lubrication: Apply a compatible lubricant to the sealing elements before installation to ensure smooth assembly and proper sealing.
  • Tightening: Ensure that compression couplings are tightened according to manufacturer’s specifications. Avoid over-tightening, as it can lead to damage.
  • Correct Installation: Follow manufacturer guidelines for proper installation, including pipe alignment and insertion depth.
  • Pressure Testing: Periodically perform pressure tests to identify any leaks or weak points in the plumbing system.
  • Temperature and Chemical Considerations: Choose materials that are suitable for the temperature and chemicals present in the plumbing system.
  • Replace Sealing Elements: Regularly inspect and replace O-rings, gaskets, or seals if they show signs of wear, cracking, or damage.
  • Address Leaks Promptly: If leaks are detected, address them immediately to prevent further damage and water wastage.
  • Professional Help: If you’re uncertain about maintenance or if issues persist, consult a professional plumber for guidance.

By following these best practices, you can ensure that compression couplings in your plumbing system remain reliable and efficient over time.

compression coupling

Working of Compression Couplings for Joining and Sealing Pipes

Compression couplings provide a reliable method of joining and sealing pipes without the need for soldering or welding. Here’s how they work:

  1. The compression coupling consists of several components, including a body, compression nuts, and a compression ring or insert.
  2. To begin the installation process, the ends of the pipes to be connected are cut cleanly and smoothly.
  3. The compression nut is then threaded onto one end of the pipe, followed by the compression ring or insert.
  4. The pipe end with the compression nut and ring is inserted into one end of the compression coupling body.
  5. The other pipe end is similarly prepared with a compression nut and ring and inserted into the opposite end of the coupling body.
  6. The compression nuts are tightened using appropriate tools, applying pressure to the compression rings or inserts.
  7. As the compression nuts are tightened, the compression rings or inserts are compressed against the pipe ends and the inside of the coupling body.
  8. This compression creates a watertight and secure seal between the pipes and the coupling.
  9. The coupling provides a firm connection that resists leaks and can withstand pressure from the flowing fluid.
  10. The result is a joined and sealed pipe connection that requires no soldering or welding and can be completed quickly and easily.

Compression couplings are commonly used in plumbing and piping systems for their ease of installation, versatility, and ability to create reliable connections without the use of heat or special skills.

China Hot selling PE Compression Straight Couplings with Rubber Oring Brass Orings Inside  China Hot selling PE Compression Straight Couplings with Rubber Oring Brass Orings Inside
editor by CX 2024-01-09