Hammer Union - Fig. 1002
A resilient lip-type seal protects ball and cone seal against abrasion in air, water, oil, gas and mud service to 10,000 psi NSCWP*.
Weir SPM hammer unions are available in a wide range of sizes and in working pressures to 20,000 psi. Pressure seal, non-pressure seal, and welded styles are offered in various sizes and pressures. All Weir SPM hammer unions provide pressure-tight, positive sealing and are available for standard service and sour gas models. Weir SPM hammer unions for sour gas service are specially heat-treated for controlled hardness and utilize fluorocarbon
elastomer seal rings.