BS 1873, ASME B16.34, BS 6364 Pressure Rating : Class-150 Material : Cast Steel (WCB) Description : Bolted Bonnet, OS & Yoke Type, Rising Stem (Pressure Seal Bonnet CL-900, 1500 & 2500) Ends : Flanged, Butt Weld Operator : Hand wheel, Gear, Electric, Chain Wheel Specials : Stem Extension, LT & Cryo, Fire Safe, Seismic, FET, TAT, By pass Arrangement, IBR Item Code : CCS00004 Size : 50mm Notes : Available Valve Size : CLASS-150Â 40mm to 600mm CLASS-300 40mm to 600mm CLASS-600 40mm to 350mm CLASS-900Â 40mm to 300mm CLASS-1500Â 40mm to 300mm CLASS-2500Â 50mm to 300mm Material : LCB, WC1, WC6, WC9, C5, C12, C12A, CF8, CF8C, CF8M, CF3, CF3M, CN7M, CF10, CF10M, 3A, 4A, 5A, 6A etc.