Material
Our unions are manufactured from steel forgings using materials appropriate to specific pressure ratings.

End Connections
Our Unions are available in a choice of end connections. API line pipe threads are standard. Butt weld ends and Socket weld ends can be provided. The customer shall specify the schedule of pipe while ordering.

Sour Service
Sour service is available and all H2S service parts of our unions conform to the latest NACE specifications.

Low Temperature Service
Our unions can be supplied for low temperature applications with suitable impact value testing.

Interchangeability
All our union components of the same size and figure number are Weco interchangeable. All our union nuts have 3 hammer lugs.

Traceability
Our unions are supplied with full traceability documentation for each component.

Integral Union Connections
Our production base also manufacures a line of high pressure integral union connections in pressure ratings to 15,000 PSI CWP, including but not limited to Crosses, Ells, Tees.

Other Wing Unions
We also manufactures a range of Hex Unions, Hammerseal Tank Unions and Flat Face Unions where the sealing is dependent on an O-Ring fitted between the grooves machined on the mating metal parts.