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Check Valve
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.
Production Size:DN40-DN600mm
Pressure range:PN10,PN16
Design Standard:
Face to Face:DIN3202/EN558-1 F6
Flange Standard:EN 1092/DIN2533
Testing Standard:EN12266
Main Material of parts:
Body:GG20/GG25/GGG45/GGG50
Disc:GG20/GG25/GGG45/GGG50/Carbon steel
Stem:2Cr13/SS304/SS316
Seat:Brass/Stainless Steel
Check valve 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.