... test 3.Component Parts: Nut, Male Sub,Female Sub,Seal Ring Hammer Union- FIG 602Nominal pipe Size: 1'', 2 ... butt-weld;Component Parts: Nut, Male Sub,Female Sub, Seal Ring;Sour Service Models to NACE MR-01-75.Recommended ... connections and mudservice.FeaturesCompact;Replaceable, lip-type seal providesprimary seal, protects secondary metal-to metal seal, and minimizes flow turbulence;Butt-weld available ...