Crimson Manufactures a full line of high Quality Hammer Unions. Hammer Unions are designed as heavy duty, high pressure flow line connectors.  They come in many sizes, shapes and pressure ratings, and when used correctly they are a safe and reliable means of transporting fluid .They are commonly found in chemical plants, on marine dredging vessels, in strip mines and in the oil industry.

Hammer unions are available in a wide range of sizes and in working pressures to 15,000 psi.

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. all Crimson hammer unions provide pressure-tight, positive sealing and are available for standard service and sour gas models. Hammer unions for sour gas service are specially heat-treated for controlled hardness and utilize fluorocarbon elastomer seal rings.

Crimson Hammer Unions are available in sizes 1″ to 12″ .