... Hammer Union Hammer Unions are suitable for standard and sour environment, ranging in size from 1’’to ... , fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip-type sealAvailable for sour gas service 150215,000/1034Cementing, ... , and chock-and-kill linesReplaceable, lip-type sealAvailable for sour gas 200220,000/1379Cementing, fracturing, acidification, testing, and chock-and-kill ...