Shanghai kangquan Valve Co. Ltd.
Shanghai KangQuan Valve Co. Ltd. Best Resilient Seated Gate Valve Supplier
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Cast Iron Lift Type Silent Check Foot Valve With Stainless Steel SS304 Strainer / Bottom Valve
Working Principle
Foot valve consists of cover, disc, bush, seal ring, etc. Water enter into the valve body through cover. Under the influence of flow pressure, disc will be opened. When stop, pressure in the oulet pipe will close
the disc instantly, water will not flow back to water source. It effects the functions of smooth pumping and saves water loss.
Description:
Foot valve is a kind of energy saving valve, usually installed at the bottom of pump suction pipe, to
prevent medium in the pipe flow back to water source. There are many inlet holes and reinforcing ribs
in the valve cover, so the pipe will not be easily clogged up.
| Material | |
| Body | Cast iron/Ductile iron |
| Disc | Cast iron/Ductile iron |
| Disc ring | iron with NBR seal |
| Spring | Stainless steel/Steel with zinc |
| Screen | Stainless steel / Steel zinc plated |
| Design | ||
| Face to face is according to ISO STANDARD | ||
| Flange drilled is according to DIN,BS,JIS,ANSI etc | ||
| Test | ||
| Working pressure | PN10/PN16 | Class125/150 |
| Shell pressure | PN15/PN24 | 300PSI |
| Seat pressure | PN11/PN17.6 | 200PSI |
Applications:
* unidirectional valve used to prevent medium from backflow
* only used at the inlet of various pumps
* prevent impurity enter into pipes
