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832-474-4440 Union Swivel & Flange

13840 Aston St., Houston, TX 77040

figure 400

hammer union thread

We specialize in hammer unions and other connections for oilfield and industrial applications as well as flow line loops, swivels and pup joints.

figure 400 hammer union


Nominal pipe Size: 2", 2-1/2", 3", 4", 6", 8", 10", 12"
Pressure Rating: 4, 000 psi cwp; 6,000 psi test
Connections Type: pipeline thread, tubing thread, butt-weld
Component Parts: Nut, Male Sub, Female Sub, Seal Ring

Sour Service Models to NACE MR-01-75

Recommended service
Manifold and line connections, pump suction, and mud service

Hammer Union (Series 400 - Threaded) Features
2-1/2" through 12" sizes have O-rings for primary seal
Butt-weld available

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

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

Hammer unions are supplied with full traceability documentation for each component MTR certs and/or certificate of origin upon request.