SN Non-Slam Check Valves are made of Investment Castings, designed and manufactured as per BS7438/ ASME 16.34. The valve can be supplied in sizes like 1/2″ to 4″. The common materials of construction are ASTM A216 Gr WCB (CS), ASTM A351 Gr CF8...
Material : Body - WCB, CF8, CF8M, Hast Alloy,
Super Duplex, Alloy 20 , LCB etc
Disc- WCB, CF8, CF8M, Hast Alloy,
Super Duplex, Alloy 20 , LCB etc
Seat- EPDM, Nitrile, PTFE etc
Size : 50 mm to 600 mm
Design Standard : API 6D
Operation : Auto
Testing Standard : API 598
End Connection Standard : ASME B16.5
Features / Benefit : Heavy duty Spring providing intantaneous response to system change PTFE spacers designed to maintain plate alignment Lifting Bolt Provided for easy installation
Model DNRV, Body CF8 CF8M, Size Range 12" to 4" Screwed End, 12" to 12" Wafer Type, 1.14" to 2" Lug type, Disc. S.S. 304 316, Seat Metal to Metal (PTFE EPDM On Request), Temprature Max. 300 °C, Pressure rating PN20 , PN40, End Connection Screwed...