Hammer Unions

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

End Connections
NOV Sara 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
NOV Sara unions can be supplied for low temperature applications with suitable impact value testing.

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

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

Integral Union Connections
NOV Sara 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
NOV Sara also manufactures a range of Hex Unions, Hammer seal 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.