China Hot selling PP Compression Fittings Plumbing HDPE Pipe Coupling with Fish Mold

Product Description

PP compression fittings plumbing hdpe pipe coupling with fish mold

PP Compression Fittings have been designed for kinds of fluids transport under high pressure, irrigation and other applications. They are fully compatible with all PELD, PEHD, PE40,PE80 and PE100 pipes.

The performance standard of PP fittings about working pressure can match ISO14236 or DIN8076, the standard about threads can match ISO7,DIN EN 15716, ASME B1.20, or BS21.

The maximum working pressure of PP compression fitting, which diameter is from 20 to 63, can match PN16, and PN10 can be matched for the diameter, which is from 75 to 110, at temperature of 20°C.

The clamp saddles have been designed for side outputs on PE and they are available in the large range of sizes. The clamp saddles are fit for conveying food fluids because its materials are conform to the domestic and international standards.

Product list and Dimensions

PP Compression Fittings
Item Number Description Dimension Available
1 PP ADDING EXIT 25,32,40,50,63,75,90,110,125,160,200,250
2 PP COUPLING  20,25,32,40,50,63,75,90,110
3  PP 90 DEG ELBOW 20,25,32,40,50,63,75,90,110
4 PP Elbow Wall Plated 20,25,32,40,50,63,75,90,110
5  PP End  Cap 20,25,32,40,50,63,75,90,110
6  PP Female Adapter 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
7 PP Female Elbow 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
8  PP Female Tee 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
9  PP Male Tee 20,25,32,40,50,63,75,90,110
10 PP Flange  40×1-1/2″,50×1-1/2″,50×2″,63×2″,63×2-1/2″,75×2-1/2″,75×3″,90×3″,90×4″,110×4″
11 PP Male Adapter 20,25,32,40,50,63,75,90,110
12 PP Tee  20,25,32,40,50,63,75,90,110
13  PP Reducing Coupling 25×20,32×20,32×25,40×25,40×32,50×25,50×32,50×40,63×32,63×40,63×50,75×50,75×63,90×63,
14   PP Male Elbow 20×1/2″,25×3/4″,32×1″,40×1-1/4″,50×1-1/2″,63×2″,75×2-1/2″,90×3″,110″x4″
15 PP Reducing Tee 25x20x25,32x20x32,32x25x32,40x25x40,40x32x40,50x25x50,50x32x50,50x40x50,63x50x63,


Match with PE pipe

PP Compression fittings for PE pressure piping networks.

Fast & Reliable Connection:

Split ring opening has been optimized to make pipe insertion even easier. Turning of pipe can be prevented by inner threaded during installation.

Perfect Sealing in all Conditions:

When tightened and due to seat be compacted, o-ring makes pressure against pipe, superior water tightness was provided.

Fields of Applications

*   Piping networks for water supply of public works
*   Piping networks for underground water supply system of living areas or factories
*   Piping networks for water treatment systems
*   Piping networks for irrigation of gardening or farming

Factory and Facility

Main Products



Q1: Are you manufacture?

A: YES we are manufacturer.

Q2: Do you provide free sample?

A: YES, we supply you free sample within one day.


Q3: What is your deivery time?

A: Our delivery time is normally 7 to 15 days after deposit.


Q4: What is the payment terms?

A: We accept T/T, L/C at sight, PayPal & West union.

Q5: May I visit your factory?

A: Yes we welcome your visiting us someday at your convenience.

Q6: Can you accept our deisgn and products?

A: Yes we have professional engineer teams. We can deisgn and produce special products

   According to customers’ request.

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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

Recent Advancements in Compression Coupling Technology

Compression coupling technology has evolved over the years to offer improved performance, ease of use, and durability. Some recent advancements include:

  • Advanced Materials: Manufacturers are using innovative materials that offer better resistance to corrosion, chemicals, and extreme temperatures. These materials contribute to the longevity and reliability of compression couplings.
  • Enhanced Sealing Mechanisms: New designs of compression couplings feature enhanced sealing mechanisms, such as double O-rings or gaskets, to provide superior leak prevention and improved sealing under varying conditions.
  • Quick Installation Systems: Some compression couplings now incorporate quick installation systems that eliminate the need for special tools or excessive tightening. These systems improve installation efficiency and reduce the risk of over-tightening.
  • Leak Detection Technology: Certain compression couplings are equipped with leak detection features. These technologies provide visual or audible signals when a leak is detected, allowing for early intervention and preventing water damage.
  • Compatibility with Various Pipe Materials: Advancements have been made in designing compression couplings that are compatible with a wide range of pipe materials, including copper, PEX, PVC, and more. This flexibility enhances their applicability.

These advancements aim to address common challenges associated with compression couplings and enhance their overall performance, reliability, and ease of installation. As technology continues to progress, we can expect further innovations that optimize plumbing and piping systems.

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 Hot selling PP Compression Fittings Plumbing HDPE Pipe Coupling with Fish Mold  China Hot selling PP Compression Fittings Plumbing HDPE Pipe Coupling with Fish Mold
editor by CX 2024-02-09