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- Steel Coupling 1/4" BSP Weldable
- Coupling 1/2'' steel for welding
- Washer metal rubber M10
- Washer metal rubber 1/4''
- Coupling 1 1/4'' steel for welding
- Washer metal rubber M12
- Copper washer 11x16x1mm
- Coupling 1 1/2'' steel for welding
- Washer metal rubber M14
- Washer metal rubber 1/2''
- Coupling 1'' steel for welding
- Washer metal rubber M8
Browsing options
Shape
Size
Material
Connection Type 1
Connection Type 2
Socket Weld Union 1 1/2'' A105 Class 3000
- High-pressure Socket Weld union
- 3.1 material certificate available on request (free of charge)
- Origin: European Union
Availability: on sale
Dispatched within: 24 hours
Union 1 1/2'' socket weld 304L cl.3000
- material: stainless steel for welding 304L / SS304L
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Availability: on sale
Dispatched within: 24 hours
Union 1 1/2'' socket weld 316L cl.3000
- śrubunek do spawania
Availability: on sale
Dispatched within: 14 days
Union 1 1/4'' socket weld A105 cl.3000
- śrubunek wysokociśnieniowy do spawania
- atest 3.1
- pochodzenie: Unia Europejska
Availability: on sale
Dispatched within: 24 hours
Union 1'' NPT x SW 304L Class 3000
- Seal: Conical (metal-to-metal)
- Material grade: 304L
- Supplied with a 3.1 material certificate
Availability: on sale
Dispatched within: 24 hours
Union 1'' socket weld 304L cl.3000
- material: stainless steel for welding 304L / SS304L
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Availability: on sale
Dispatched within: 24 hours
Union 1'' socket weld 316L cl.3000
- śrubunek do spawania
- do łączenia rur
Availability: on sale
Dispatched within: 24 hours
Union 1'' socket weld A105 cl.3000
- śrubunek wysokociśnieniowy do spawania
- atest 3.1
- pochodzenie: Unia Europejska
Availability: on sale
Dispatched within: 24 hours
Union 1'' socket weld P355NH A350 LF2 cl.3000
- śrubunek wysokociśnieniowy do spawania
- atest 3.1 (bezpłatny)
- pochodzenie: Unia Europejska
Availability: on sale
Dispatched within: 24 hours
Union 1/2'' NPT x SW 304L Class 3000
- Seal: Conical (metal-to-metal)
- Material grade: 304L
- Supplied with a 3.1 material certificate
Availability: last items
Dispatched within: 24 hours
Union 1/2'' socket weld 304L cl.3000
- material: stainless steel for welding 304L / SS304L
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Availability: on sale
Dispatched within: 24 hours
Union 1/2'' socket weld 316L cl.3000
- śrubunek do spawania
Availability: on sale
Dispatched within: 24 hours
Union 1/2'' socket weld A105 cl.3000
- high pressure union for welding
- atest 3.1
- origin: European Union
Availability: on sale
Dispatched within: 24 hours
Union 2 1/2'' socket weld 304L cl.3000
- material: stainless steel for welding 304L / SS304L
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Availability: on sale
Dispatched within: 2-3 weeks
Weld Unions
Weld Unions are high-quality pipe fittings designed to provide a secure, leak-tight, and easily detachable connection in welded piping systems. Their three-piece construction allows pipelines, valves, and equipment to be connected or disconnected without cutting or rotating the piping, making maintenance, repairs, and equipment replacement fast and efficient. Designed for permanent welded installations, weld unions offer exceptional mechanical strength, excellent pressure resistance, and long service life. They are widely used in oil and gas, petrochemical, chemical processing, power generation, water treatment, food processing, hydraulic systems, steam installations, and general industrial piping where reliable welded connections are essential.
Customers may also search for these products using the following names: weld union, welding union, butt weld union, BW union, socket weld union, SW union, pipe weld union, welded pipe union, three-piece weld union, steel weld union, stainless steel weld union, industrial weld union, high-pressure weld union, pipe connector for welding, union fitting for welding, weld-on union, welded connector, pipeline union, disconnect weld fitting, ASME weld union, forged weld union, and weld pipe fitting.
Weld Unions are available in a wide range of sizes, pressure classes, connection types, and materials, making them suitable for medium- and high-pressure industrial applications. Their precision manufacturing ensures excellent alignment, reliable sealing, and dependable long-term performance while allowing convenient disassembly whenever servicing or system modifications are required.
You can order these products from POLBERIS, where you will find a comprehensive selection of premium-quality weld unions, industrial fittings, valves, and piping components at competitive prices.