Cast Steel Swing Check Valve API 6D, BS 1868, ASME B16.34 Pressure Rating : Class-150 Material : Cast Steel (WCB) Description : Swing Type, Bolted Cover (Pressure Seal Cover CL-900, 1500 &; 2500) Ends : Flanged, Butt Weld Specials : Fire Safe, Dash Pot Arrangement, By pass Arrangement, IBR Item Code : CCS00007 Size : 50mm Notes : Available Valve Size : CLASS-150  40mm to 900mm CLASS-30040mm to 950mm CLASS-600 40mm to 600mm CLASS-900  40mm to 600mm CLASS-1500� �  40mm to 600mm CLASS-2500  50mm to 300mm Material : LCB, WC1, WC6, WC9, C5, C12, C12A, CF8, CF8C, CF8M, CF3, CF3M, CN7M, CF10, CF10M, 3A, 4A, 5A, 6A etc.