Design: check valve swing type
End connection: flange type
Temperature range: -20℃ to 120℃.
Design standard: MSS SP-71
Flange standard: Class 250
Test standard: MSS SP-71
Function: To allow the fluid only flow to one direction
Petroleum industry, Shipbuilding industry, Urban water supply and drainage pipeline, etc.
Body: Ductile cast iron, cast iron,
Disc: SS 304, SS316, Ductile cast iron, Aluminum-bronze
Stem: SS316, SS410, SS416, SS304, SS 17-4PH
Seat: NBR, EPDM, VITON, high temperature EPDM, Food grade EPDM
Epoxy resin coating both inside and outside the body