BS Check Valve
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The check valve is a valve which automatically opens and closes valve disc depending on the flow of the medium itself, and it is also used to prevent medium from flowing backwards. It is also called single direction valve, no-return valve and back pressure valve. It is a kind of automatic valve,Main function of check valve is to prevent the reverse flow of the medium, prevent the reversal of the pump and drive motor, and the discharge of the container medium.
BS Check Valve Standard:
Production Size:2”-24” DN50-DN600mm
Pressure range:PN6,PN10,PN16
Design Standard:BS5153
Face to Face:BS5153
Flange Standard:EN 1092-2
Testing Standard:ISO 5208
BS Check Valve main material of parts:
Body:EN-GJL-250
Bonnet:EN-GJL-250
Stem:2Cr13/SS304/SS316/Carbon Steel
Stem Nut:brass
Disc:EN-GJL-250
Seat:Bronze,Brass
Bonnet Gasket:Graphite
Hanger:EN-GJS-5007
Hanger pin:Stainless Steel
