API HAMMER UNIOn

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

End Connections
Our hammer 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 Services
Sour service is available and all H2S service parts of NOV Sara unions conform to the latest NACE specifications.

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

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

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

Integral Union Connections
We manufactures 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.