China Standard Black HDPE Compression Fittings External Male-Thread Coupling

Product Description


Product Description

HDPE 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-HS-11 Male-Thread Coupling 20 1700 HDPE
25 1100 HDPE
32 700 HDPE
40 400 HDPE
50 260 HDPE
25*1/2″ 1100 HDPE
32*3/4″ 700 HDPE
40*1 1/2″ 400 HDPE


Packaging & Shipping



Installation Instructions

Product Application


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.

/* 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

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

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

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 Standard Black HDPE Compression Fittings External Male-Thread Coupling  China Standard Black HDPE Compression Fittings External Male-Thread Coupling
editor by CX 2024-01-03