Dscription: Extended body valves are avaiable in two bonnet designs.The first design is the Bolted Bonnet,with male-female joint,spiral wound gasket,made in F304L/graphite.Ring joint gasket are also availble on request.The second design is the wilded bonnet,with a threaded and sealjoint.On request a full penetration strength welded joint is available Design Construction: extended body valves conform to API 602. Each are tested according to API 598,and marking is per MSS SP-25. Specifications: Two piece self-aligning packing gland Integral extended body with threaded,socket weld or butt weld connection Bolted bonnet with spiral wound gasket or threaded and seal welded bonnet Integral backseat Socket weld ends to ASMB B16.11 Screwed Ends(NPT) to ANSI/ASMB B1.20.1 Outside Screw and YOke (OS &Y) ?00LB