China Hot selling Type Zinc Die Cast EMT Compression Coupling

Product Description

Description:

Material Zinc Die Casting
Finish Polishing
Application Compression type coupling are used to secure and terminate steel EMT conduit to emt conduit, dry or damp location applications concrete-tight

Application:

Our company:

Lonwow Industry Co., Ltd. is a leading manufacturer of electrical metal conduits and fittings in ZheJiang Province, China. 
This factory is focused on Electrical Metallic conduits, fittings, C channels, and power bridge systems since 2016. Our main products are EMT conduit, IMC conduit, RSC conduit, aluminum conduit, stainless steel conduit, junction boxes, flexible conduit, C channel and related accessories. We have UL certificates for our products of EMT conduit, IMC conduit and junction boxes. 
Our products widely exporting to many countries, such as the USA, Canada, Italy, Middle East, South Asian, etc with our good quality and reputation. Warmly welcome all customers and friends to contact and cooperate with us. Thank you for your interest in our products and service. 
Production and packaging:

 

Our service:

1. 24H at your service.

2. DIY, logo printing, carton designs are also accepted.

3. Free samples are ready for your reference.

4. Flexible terms of payment (T/T, L/C, DP and so on are all accepted).

compression coupling

Industry Standards and Guidelines for Compression Couplings in Plumbing

Compression couplings in plumbing are subject to industry standards and guidelines that ensure proper installation, performance, and safety. Some notable standards include:

  • ASTM F2080: This standard specifies requirements for compression fittings and couplings for use with PEX tubing in potable water systems. It covers dimensional, material, and performance requirements to ensure reliable connections.
  • NSF/ANSI 61: This standard establishes requirements for products that come into contact with drinking water, including compression couplings. It ensures that materials and products do not leach harmful substances into the water supply.
  • Local Building Codes: Many regions have specific building codes that dictate the use of compression couplings in plumbing systems. These codes ensure compliance with safety and quality standards.

Installers and plumbing professionals should adhere to these standards and guidelines to ensure that compression couplings are used appropriately and provide reliable and safe connections.

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

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 Hot selling Type Zinc Die Cast EMT Compression Coupling  China Hot selling Type Zinc Die Cast EMT Compression Coupling
editor by CX 2023-10-10