China best Agricultural Irrigation PP Compression Equal/Reducing Coupling for Pipe Fitting System

Product Description

Agricultural Irrigation PP Compression Equal/Reducing Coupling for Pipe Fitting System

1. Product Information:

1. Suitable for connection of medium and low pressure irrigation pipe network. The material of the product is PP raw material, which is resistant to acid and alkali and has a long service life.

2. The internal structure is reasonable in design, the inner wall is smooth, the fluid resistance is small, and the flow loss is small.

3. The products is convenient to use, simple in structure, can be disassembled and used multiple times, and the pipeline system is easy to replace and maintain.


2. Component breakdown:

3. Size Available:

Turkey type

Item No. Name Size(mm)
QX81 Tee 16-110
QX82 Coupling 16-110
QX83 Elbow 16-110
QX84 End cap 16-110
QX85 Male adapter 16×1/2″-110×4″
QX86 Female adapter 16×1/2″-110×4″
QX87 Reducing tee  25x20x25-110x90x110
QX88 Reducing coupling 20×16-63×50
QX89 Female tee 16×1/2″-90×3″
QX90 Male tee 16×1/2″-63×2″
QX91 Female elbow 16×1/2″-90×3″
QX92 Male elbow 16×1/2″-90×3″


Italy type

Item No. Name Size(mm)
QX94 Tee 16-110
QX95 Coupling 16-110
QX96 Elbow 16-110
QX97 End cap 16-110
QX98 Male adapter 16×1/2″-110×4″
QX99 Female adapter 16×1/2″-110×4″
QX100 Reducing tee  25x20x25-110x90x110
QX101 Reducing coupling 20×16-63×50
QX102 Female tee 16×1/2″-90×3″
QX103 Male tee 16×1/2″-63×2″
QX104 Female elbow 16×1/2″-90×3″
QX105 Male elbow 16×1/2″-90×3″

4. Installation Process:

5. Product Packing:

6. Other Other Products:

7. Product Applications:

(1) Irrigation                                   
(2) Water supply
(3) Garden                       
(4) Cold water supply
(5) Industry

8. Showroom Display:

9. Certificate:

10. Service

About product:

(1) 100% new materials.
(2) Environmental friendly product with non-toxic.
(3) Good looking and life long service.
(4) Quality will be strongly controlled while producing, testing and packing before leaving the factory.
(5) Wonderful ability in chemical corrosion resistance.
(6) Easy and fast installation, lowering the cost.
(7) Customized.

Why chooes us

(1) We have full exporting experience to Southeast Asia, Africa, Middle east, North America and South America.
(2) Different quality and thickness valves with various style offered to meet customer’s need from region to region.
(3) Free samples offered.
(4) Each order will be carefully taken of even the order quantity is small.
(5) After-sale will be responded and solved in short time.
(6) OEM is available.
(7) Quick and stable delivery time.

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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

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

Factors to Consider When Selecting a Compression Coupling

Choosing the right compression coupling for a specific application involves considering several factors to ensure a proper and reliable connection:

  • Pipe Material: Different compression couplings are designed to work with specific pipe materials, such as copper, PVC, PEX, or steel. Ensure the coupling material is compatible with the pipes you’re joining.
  • Pipe Size: Compression couplings come in various sizes to accommodate different pipe diameters. Choose a coupling size that matches the pipe size.
  • Application: Consider the type of application, whether it’s for plumbing, irrigation, or other systems. The coupling should be suitable for the intended use.
  • Pressure Rating: Check the pressure rating of the coupling to ensure it can handle the maximum pressure of the system it’s being used in.
  • Temperature Range: Consider the temperature range of the system. Some couplings are designed for use with hot water, while others are not suitable for high temperatures.
  • Compatibility: Ensure that the compression coupling is compatible with any existing pipes, fittings, or components in the system.
  • Installation: Evaluate the ease of installation. Some couplings require special tools, while others can be tightened using basic tools.
  • Seal Reliability: Look for couplings that provide a secure and leak-resistant seal. The design of the compression rings or inserts should ensure a watertight connection.
  • Corrosion Resistance: If the system will be exposed to moisture or corrosive substances, choose a coupling that is resistant to corrosion.
  • Brand and Quality: Opt for reputable brands known for producing high-quality couplings that adhere to industry standards.

By considering these factors, you can select a compression coupling that meets the requirements of your specific application and ensures a durable and effective pipe connection.

China best Agricultural Irrigation PP Compression Equal/Reducing Coupling for Pipe Fitting System  China best Agricultural Irrigation PP Compression Equal/Reducing Coupling for Pipe Fitting System
editor by CX 2023-12-19