... 000/690(4in)7,500/517(5-6in)Cementing, fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip ... -type sealAvailable for sour gas service 150215,000/1034Cementing, fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip ... -type sealAvailable for sour gas 200220,000/1379Cementing, fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip ...