Bottom Valve（Foot Valve）

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Valve Introduction

The bottom valve is also called a check valve. It is a low-pressure flat valve. Its function is to ensure the unidirectional flow of liquid in the suction pipe, so that the pump works normally. When the pump stops intermittently for a short time, the liquid cannot return to the water source tank. The suction pipe is filled with liquid to facilitate the start of the pump.

Valve Information

Size	DN15~DN350
Pressure	PN0.25MPa
Design Standard	Q/12 NJ3583-2001
Test Standard	GB/T 13927-2008
Media	Water、seawater、oil and noncorrosive medium

Main Materials List

Body	grey cast iron、304、316、316L
cover	grey cast iron、304、316、316L
Disc	grey cast iron、304、316、316L
gasket	Gypsum board
O Type sealing	Rubber