Cast Steel Check Valves are designed and manufactured strictly to International Standards API 6D, BS1868, ASME B16.34 or Equivalent, o reduce the flow resistance and pressure drop to the minimum possible extend, which is suitable to be mounted in horizontal position only, lapped and screwed in seat ring ensures tight shut of and long duration service. Valve’s disc is perfectly designed, accurately machined and guided for efficient automatic shut off at zero pressure, with a feature of compact structure & Low emission service in both Swing, Piston Constructions.
Design & Manufactured to API 6D, BS1868 or ASME B16.34, P.T Ratings to ASME B16.34
Face to Face Dimensions to ASME B16.10, Flanged Ends to ASME B16.5
Butt-weld Ends to ASME B16.25, Threaded Ends to ASME B1.20.1
Socket-weld Ends to ASME B16.11, Valves Marking to MSS SP-25
Inspect & Tested to API 598
Structured in Bolted Cover
Pressure Ratings from Class 150 to Class 1500, PN16 to PN260
Ends Connections in Flanged R.F or RTJ, Butt-welded and Grooved
Size Ranges from 1 1/2” to 60”
Body Materials available in Cast Carbon Steel, Low Cast Carbon Steel, Cast Alloy Steel, Cast Stainless Steel, Cast Duplex & Super Duplex Steel, Special Materials in Cast Monel, Alu. Bronze etc.
Trim Materials available in 13%Cr, F11, F22, SS304, SS304L, SS316, SS316L and other specials
Optional Bypass system & Counter-weight Assembly.