... union4004,000/276Manifold and line connectionsEconomical, general-purpose union6026000/414Manifold and line connections, and mud serviceReplaceable, lip ... (5-6in)Cementing,fracturing,acidification, testing, and chock-and-kill linesReplaceable, lip-type sealAvailable for sour ... 000/1034Cementing,fracturing, acidification, testing, and chock-and-kill linesReplaceable, lip-type sealAvailable for sour ...