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Pipe Fittings

Couplings are essential pipe fittings designed to join two pipes or tubes, typically using sockets at one or both ends to enable welding, threading, or solvent-welding. Made from materials like copper, steel, or PVC, they ensure a secure and leak-proof connection.

Couplings provide a reliable solution for extending pipe runs or connecting pipes of the same or different diameters. Available in various materials and configurations, they are engineered to meet specific pressure, temperature, and corrosion requirements in diverse applications.

COUPLINGS

Couplings are critical components in piping systems, facilitating seamless connections between pipes or tubes. Whether used to extend a pipeline or adapt to different pipe sizes, they are manufactured in materials matching the piping system, such as copper, steel, or PVC, and are available in welded, threaded, or solvent-welded forms for versatile installation.

Key Properties of COUPLINGS

  • Secure Connection: Joins two pipes or tubes with a leak-proof seal via sockets or threads.
  • Material Compatibility: Made from copper, steel, PVC, or other materials to match connected pipes.
  • Durability: Designed to withstand high pressure and temperature for long-term reliability.
  • Versatile Installation: Supports welding, threading, or solvent-welding for easy and flexible assembly.

Types of Couplings

Couplings are categorized based on their design, material, and connection type to meet specific application needs.

Type Description Application
Full Coupling Joins two pipes of the same diameter with internal threads or sockets at both ends. Plumbing, gas lines, and industrial piping.
Reducing Coupling Connects pipes of different diameters, adapting to varying pipe sizes. Water distribution and HVAC systems.
Copper Coupling Corrosion-resistant, ideal for water and gas applications. Residential and commercial plumbing.
PVC Coupling Lightweight and corrosion-resistant, used in non-pressurized systems. Drainage and irrigation systems.

Applications of COUPLINGS

Couplings are widely used across industries due to their ability to create secure and adaptable pipe connections:

  • Plumbing: Used to extend or connect water and gas pipes in residential and commercial systems.
  • HVAC: Facilitates fluid and air transport in heating and cooling systems.
  • Industrial Piping: Supports reliable connections in chemical processing and oil refineries.
  • Irrigation and Drainage: Enables pipe extensions and connections in agricultural and municipal systems.

Specifications

Properties Values & Limits
Material Copper, Steel, PVC, Stainless Steel, Alloy Steel
Size 1/8" to 6"
Pressure Rating 150#, 300#, 600#, 1000#
Standards ASME B16.11, ASME B16.9, ANSI, NPT, BSP
Surface Finish Galvanized, Polished, Anti-corrosion Coated, Solvent-Welded

Considerations for Use

  • Material Selection: Choose materials matching the pipe (e.g., copper for water, PVC for drainage) to ensure compatibility.
  • Corrosion Resistance: Steel couplings may require coatings in corrosive environments; copper and PVC are naturally resistant.
  • Installation: Use thread sealant for threaded couplings and proper welding or solvent-welding techniques to prevent leaks.