Design: double plate check valve rubber coated with framework
End connection: wafer end
Temperature range: -20℃ to 120℃.
Design standard: API 6D
Flange standard: ANSI 125 , ANSI 150, DIN PN10, PN16, PN25 or customer need
Test standard: API 598
Function: To avoid the fulid flow back.
二、Application: Shipbuilding industry, etc.
Body: Ductile cast iron, cast iron,
Framework: 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
Spring: SS304, SS316
四、Surface treatment: Body and framework are Powder coated.