Hammer Union

Recommended forair, water, oil, or gas service to 1,000 PSI NSCWP. Standard subs are threaded for API line pipe and are co-interchangeable.
Hammer Union Fig 1502:
Recommended for air, water, oil, gas and mud service to 15,000 PSI NSCWP. This union has a replaceable lip-type seal ring of Buna-N specifically designed to minimize fluid flow turbulence. The lip-type ring also provides a pressure seal and protection for metal-to-metal seating surface and are recommended for manifold and truck.
Hammer Union Fig 200:
Recommended for air, water, oil, or gas service to 2000 PSI NSCWP. A union of great utility meeting most requirements in the medium pressure ranges. Precision seating surfaces assure dependable pressure seal. Standard subs are threaded for API line pipe and are Weco interchangeable. Sizes of 2" and above also.
Standards: ABS type approval