Pipe Fittings
Unions are vital pipe fittings designed to connect pipes while allowing easy disconnection for maintenance or fixture replacement. Unlike couplings that require welding or rotation, unions enable quick and repeated assembly and disassembly without damaging the pipes.
Unions provide a convenient and reliable solution for piping systems requiring frequent access. Made from materials like copper, steel, or PVC, they are engineered to meet diverse pressure, temperature, and corrosion requirements across various applications.
Unions are essential components in piping systems, offering flexibility for maintenance and system modifications. Available in threaded or welded forms, they are manufactured to match the material of the connected pipes, such as copper, steel, or PVC, ensuring compatibility and durability in plumbing, industrial, and HVAC systems.
Unions are categorized based on their design, material, and connection type to suit specific application needs.
Type | Description | Application |
---|---|---|
Threaded Union | Features internal and external threads for easy connection and disconnection. | Plumbing, gas lines, and HVAC systems. |
Welded Union | Designed for permanent connections with welded ends, still allowing disassembly via the union nut. | Industrial piping, oil and gas. |
Copper Union | Corrosion-resistant, ideal for water and gas applications. | Residential and commercial plumbing. |
PVC Union | Lightweight and corrosion-resistant, used in non-pressurized systems. | Irrigation and drainage systems. |
Unions are widely used across industries for their ability to facilitate maintenance and system modifications in piping systems:
Properties | Values & Limits |
---|---|
Material | Copper, Steel, PVC, Stainless Steel, Alloy Steel |
Size | 1/8" to 4" |
Pressure Rating | 150#, 300#, 600#, 1000# |
Standards | ASME B16.11, ANSI, NPT, BSP |
Surface Finish | Galvanized, Polished, Anti-corrosion Coated, Solvent-Welded |