China Professional DIN CPVC Compression Fitting Coupler Coupling DN15 to DN400

Product Description

Product Details


Coupling PVC-C (DIN PN10) drawing  
DN(De) size (mm)
D0 d1 d2 d T L
15(20) 26.30  20.30  19.95  18.00  16.20  34.40 
20(25) 31.80  25.30  24.95  23.00  18.70  39.00 
25(32) 39.90  32.30  31.90  30.00  22.20  46.40 
32(40) 49.40  40.40  39.90  38.00  26.20  54.40 
40(50) 61.40  50.40  49.90  48.00  31.20  64.40 
50(63) 77.10  63.40  62.90  61.00  37.70  77.10 
65(75) 91.00  75.40  74.90  68.20  43.70  90.00 
80(90) 107.60  90.50  89.90  83.80  51.20  106.40 
100(110) 127.20  110.60  109.90  103.00  61.20  128.30 
De125 144.30  125.70  124.90  118.60  68.70  144.00 
125(140) 161.60  140.80  139.90  133.80  76.20  159.50 
150(160) 184.60  160.80  159.90  153.80  86.20  179.70 
De180 202.60  180.90  179.90  178.50  97.00  199.00 
De200 230.30  201.00  199.90  193.50  106.20  217.50 
200(225) 259.40  226.20  224.90  216.90  118.70  243.00 
De250 287.90  251.30  249.90  241.90  131.20  268.30 
250(280) 314.50  281.50  279.90  278.00  147.00  300.00 
300(315) 354.00  316.70  314.90  306.90  163.70  335.40 
350(355) 384.25  356.80  355.00  326.00  184.00  373.50 
400(400) 430.15  402.00  400.00  369.80  205.50  422.80 

Huasheng Pipeline Technology Co., Ltd is 1 of the biggest  PVC manufacturers in water supply field which has powerful abilities both in mould making and R&D

– More than 20 advanced extrusion machines for PVC pipes production, and 170 Injection machines for fittings production

– Over 28 years of experience in Injection and Moulding

Huasheng’s Advantages

1.Professional manufacturer. Ability of mould design & making.

2.Powerful OEM ability

3.High quality, reasonable&competitive price

4.Fast delivery time,free sample and  more than 5000 tons stock

5.area of 250.000 square meters,over 170 injection machines.more than 400 employees.

6.Professional team on QA/QC and open model,adjust model

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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

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 Professional DIN CPVC Compression Fitting Coupler Coupling DN15 to DN400  China Professional DIN CPVC Compression Fitting Coupler Coupling DN15 to DN400
editor by CX 2024-01-23