Valves are available in Three bonnet designs.The first design is the Bolted,with male-femalejoint,spital wound gasket,made in F304L/graphite.Ring joint gasket are also available on request.The second design is the welded bonnet,with a thteaded and seal welded joint.On request a full penetrationstrength welded joint is available.The third design is the pressure seal bonnet,with a threaded and pressure seal bonnet joint. Design Construction: Globe valves conform to API 602,and ASME B 16.34 Each are tested according to API 598,and marking is per MSS SP-25. Specifications: Full Port or Convintional Port Outside Screw and Yoke(OS & Y) Two piece silf-aligning packing gland Bolted bonnet with spiral wound gasket,threaded and seal welded bonnet or threaded and pressure seal bonnet Integral backseat Loose solid disc Socket weld ends to ASME B16.11 Screwed Ends(NPT) to ANSI/ASME B1.20.1 ?00LB ?00LB~1500LB ?00LB ?00LB~2500LB