China supplier Hot Selling HDPE Compression Fittings Equal Coupling

Product Description


Product Description

PP quick straight connector plastic fittings for Farm Irrigation System

     The straight compression fitting production line for pipe fittings is designed for applications in the fields of fluid transportation, water transportation, and drinking water distribution. This product line meets the strictest international standards for agricultural irrigation and garden system connection irrigation.


1. Light weight, easy to load and unload.
2. Good  chemicals and drugs resistance.
3. Small resistance to fluidity.
4. Strong mechanical strength.
5. Good electrical insulation.
6. Water quality unaffected.
7. Simple installation.



Product Parameters

Product List


Code product name size
pcs/pe carton Material 
TLK-L-01 Coupling 20 800 HDPE
25 500 HDPE
32 340 HDPE
40 220 HDPE
50 150 HDPE
63 75 HDPE
75 40 HDPE
90 30 HDPE
110 20 HDPE


Detailed Photos

Product Application



Packaging & Shipping



Installation Instructions


Company Profile

     ZheJiang HangZhou Shuofeng Plastic Products Factory, formerly known as ZheJiang HangZhou CHINAMFG Plastic Products Factory, is a professional manufacturer of various pipeline Haffen Festival products such as PE Haffen Festival, PVC Haffen Festival, Haffen Festival, inner rotating nozzle, outer rotating nozzle, farmland irrigation outlet, additional interface, and Trumac pipe fittings. Our factory has a strong technical force, with a complete set of advanced production equipment and technical personnel with over 20 years of production experience. Our patented product, which is developed and produced by our factory, is a convenient and debuggable union pipe fitting. While maintaining the original performance of the pipe fittings, it perfectly solves the connection methods such as threading, welding, bonding, and electric melting that are necessary for pipeline installation and maintenance. This makes pipeline installation and maintenance simple and easy, changes the heavy labor working environment and complex installation processes, and improves work efficiency several times, reducing the costs of special tools, equipment, and professionals, Adapt to the requirements of green environmental protection. Created and developed the pipe fitting industry, with convenient, fast, efficient, and energy-saving new processes for pipeline installation and maintenance. This product is suitable for various pipeline projects such as water, heating, and chemical engineering. Currently, the company has developed and produced plastic pipe fittings in 10 specifications and dozens of varieties. Widely used for installation and maintenance of pipeline engineering in construction, chemical, petroleum, and other fields.
     For many years, our factory has always adhered to the business philosophy of “practicality and efficiency, innovation, quality first, integrity first, and customer demand as the core”. While focusing on local market development, we have set up a direct sales point in HangZhou, covering more than 20 provinces across the country. 




1.What is your minimum order quantity?


Our minimum order quantity is usually 5 boxes, with sizes ranging from 20-63mm.


2. What is your production time each time?


The production time is approximately 15-30 days.


3. What are your payment terms?


We accept 50% prepayment T/T, 50% pre shipment payment, or 100% letter of credit.


4. What is the loading port?


We ship the goods to ZheJiang or Port of HangZhou.


5.What is the address of your company?


Our company is located in HangZhou City, ZheJiang Province, China. Welcome to visit our factory.


6. How about the sample?


We can send you samples for free, and you will need to pay the courier fee.


If there are too many samples, you will also need to bear the sample fee.

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

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 Hot Selling HDPE Compression Fittings Equal Coupling  China supplier Hot Selling HDPE Compression Fittings Equal Coupling
editor by CX 2023-10-20