FIGURE 400 HAMMER UNION - Threaded 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

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

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

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

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