ANSI Stainless Steel Check Valve

ANSI stainless steel Check Valve is  also called single direction valve, no-return valve and back pressure valve. It 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 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.

ANSI Stainless steel Check Valve range:

Production    Size:1"~30".DN25~DN750

Pressure:150LB,300LB,600LB,900LB,1500LB

ANSI Stainless steel Check Valve standard:

Design   Standard:ANSI B16.34

Face   to    Face:ASME B16.10

Flange   Standard:ASME B16.5

Testing   Standard:API 598

ANSI stainless steel Check Valve Material of parts:

Body:CF3,CF3M,CF8,CF8M

Bonnet:CF3,CF3M,CF8,CF8M

Stem:2Cr13,SS304,SS316,Carbon Steel

Stem Nut:brass,Ductile iron

Disc:CF3,CF3M,CF8,CF8M

Seat:CF3,CF3M,CF8,CF8M

Nut:CF3,CF3M,CF8,CF8M

Arm Hinge:CF3,CF3M,CF8,CF8M

Hing pin:CF3,CF3M,CF8,CF8M