Flanged valves are avaiable in three bonnet designs.The first design is the Bolted Bonnet, with male-female joint,spital wound gasket,made in F304L/graphite.Ring joint gasket are also available on request. The second design is the welded bonnet,with a thresded and seal wilded joint.On request a full pen- etration strength welded joint is available.The third design is the pressure seal bonnet,with a threaded and pressure seal joint. Integral Flanged end valves are available in gate,globe,piston check,and swing check design configurations. Design: Integral flange valves conform to API 602,and ANSI B16.34. Each are tested according to API 598,and marking is per MSS SP-25. Specifications: Full Port and Conventional Port Face to face according t ANSI B16.10 Flanges according to ANSI B16.5 Pressure seal bonnet Outside Screw and Yoke (OS & Y) Two piece self-aligning packing gland Integral backseat Integral body flanges Butt Welded Ends to ASME B16.25 RTJ bonnet gasket ring joint type Bolted bonnet with spiral wound gasket,threaded and seal welded bonnet or threaded and pressure seal bonnet