China Check Valve, Bolted Cover, CL300

Nominal Diameter: 4 Inch
Nominal Pressure: Class 300
Body Material: ASTM A890 6A

Bonnet Material: ASTM A890 6A

Disc Material: SS2205

End Connect: Flange End
Design Standard: API 6D &API594& BS1868
Face to Face: 356mm
Main Features: Swing check valve is a kind of automatical valve, which can prevent flow reverses in the pipeline Closure part will be opened or closed automatically depending on the flow pressure.  The valves are mainly used in unidirectional pipeline which only allow flow floats from one direction to prevent any accident happened