Hammer Unions are high-pressure threaded or welded connections with two halves a threaded female half and a wing male half with swivel nut that fit together and seal upon turning and then hammering the nut half together with the threaded half.

Details of Figure 602 Hammer Union

 

Nominal pipe Size:1" , 2" , 3" , 4" ;
Pressure Rating:6000psi cwp;9000 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 and mud service.
Features 
Compact;
Replaceable, lip-type seal provides primary seal, protects secondary metal-to metal seal, and minimizes flow turbulence;

Butt-weld available