Class250 Non-return swing check valve
一、Technical specification:
Design:Swing check valve flanged end connection
Medium: Water,
Temperature range: -20℃ to 120℃.
Design standard: API 6D
Pressure: Class 250
Flange standard: ANSI 125, 150, or customer need
Test standard: API 598
Function: To allow the fluid only flow to one direction
二、Application: Petroleum industry, Shipbuilding industry, Urban water supply and drainage pipeline, etc.
三、Material
Body: Ductile cast iron, cast iron,
Disc: Ductile cast iron,
Stem: SS316, SS410, SS416, SS304, SS 17-4PH
Seat: Metal seat
四、Surface treatment: Epoxy resin coating both inside and outside the body
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