Cast Iron Reflux Valve IS 5312 Pressure Rating : PN-1.6 Material : Cast Iron / Ductile Iron Description : Bolted Cover Trim : Gun Metal Ends : Flanged Specials : Dash pot arrangement, By pass arrangement Item Code : CI000021 Size : 50mm Notes : Available Valve Size : PN-1.6 50mm to 500mm PN-20 50mm to 300mm