... for ThreadButt Weld and Socket Weld. All QS Hammer Unions are interchangeable with most other leading union ... 414Manifold and line connections, and mud serviceReplaceable, lip-type sealAvailable for sour gas service6076000/414For hot oil ... acidification, testing, and chock-and-kill linesReplaceable, lip-type sealAvailable for sour gas service150215,000/1034Cementing,fracturing, acidification ...