Flange End Silence Check Valve
Flange end silence check valve Relies on the flow of the medium itself to automatically open and close the disc, the valve used to prevent the backflow of the medium is also called a check valve, a one-way valve, a noise-absorbing check valve, a reverse flow valve, and a back pressure valve. The function of the silence check valve is to prevent the flow in the opposite direction and only allow the medium to flow in one direction. Usually this kind of valve works automatically. Under the action of fluid pressure flowing in one direction, the valve disc opens; when the fluid flows in the opposite direction, the valve seat is acted on by the fluid pressure and the self-weight of the valve disc to cut off the flow. It is not suitable for medium containing solid particles and high viscosity.
Specification
Material |
Body |
Ductile Iron,QT450 |
Screw |
SS304 Stainless Steel |
|
Gasket |
NBR |
|
End Connections |
Flange × Flange |
|
Flanges |
ANSI150LB, BS 5404,GB Standard |
|
Available Size |
DN50 thru DN300 (3" thru 12") |
|
Type |
Flexible Disc |
|
Working pressure |
16 bar |
|
Color |
Red/Blue |
|
Media |
Water |
FAQ
Q:Is the sample provided for free?
A:A few small products like sprinklers decorative covers can be provided for free, but buyers pay for freight. Other products need to be confirmed.
Q:What is the production time of the sample?
A:Generally speaking, it isn't a large-scale purchase, and the lead time about 15 working days.Of course, having an urgent order, please reconfirm with us.
Q:How to mail the samples?
A:Small samples are usually sent by express (DHL, UPS, FEDEX, TNT). If the buyer has other opinions, both parties can discuss with each other.
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1) Flange End:ANSI150LB/BS5404;
2) Screw Material:SS304 Stainless Steel;
3) Gasket Material:DUCTILE IRON;
4) Body Material:Ductile Iron,QT450;
5) Disc Material:Ductile Iron,QT450,COVERD BY NBR;
6) Surface Finishing:Epoxy Red or Blue.