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DN 100 Cast Steel Foot Valve

Foot Valve With Flange End(ANSI/DIN/JIS/BS) 1. Material Of Main Parts 2. Design A. Face to face is according to ISO STANDARD B. Flange drilled is according to ANSI B 16.5, DIN, JIS B2220 3. Test by API 598
Product Details

DN 100 Cast Steel Foot Valve

The bottom valve is also referred to as a check valve, and is a low-pressure flat-plate valve which is used for ensuring that the liquid flows in one-way in the suction pipe, and the normal operation of the pump can not return to the water source box when the pump stops working for a short time, so that the liquid is filled in the water-absorbing pipe to facilitate the start-up of the pump.

Bottom valve is foot valve or bottom valve in English. In fact, it is a kind of check valve, which plays a role of preventing backflow of water. The bottom valve can be divided into plastic bottom valve and metal bottom valve according to the material, and can also be divided into ordinary bottom valve and backwash water flow bottom valve. Bottom valve is mainly applied to the mechanical equipment for slurry treatment such as water pump. Generally, the bottom valve is installed at the bottom end of the underwater suction pipe of the water pump to prevent the slurry from flowing back.

1. Material Of Main Parts


Body

Cast iron/Ductile iron/WCB/CF8/CF8M

Disc

Cast iron/Ductile iron/WCB/CF8/CF8M

Disc ring

NBR/EPDM

Spring

SS304 SS316

Screen

Cast iron/Ductile iron/WCB/CF8/CF8M



2. Design 

A. Face to face is according to ISO STANDARD
B. Flange drilled is according to ANSI B 16.5, DIN, JIS B2220



3. Test by API 598

Working pressure

PN10/PN16

Class 125/150

Shell pressure

PN15/PN24

300 PSI

Seat pressure

PN11/PN17.6

200 PSI




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