China foot valve factory and supplier

China foot valve factory and supplier Product introduction

　China foot valve factory and supplier. Foot valve is installed in the bottom end of the water pump suction line can automatically prevent fluid backflow. Foot valve is a kind of energy saving valve, generally installed at the bottom of the pump underwater straw. Limit the water pump pipe liquid return water source, only into the function of not out. There are many inlet products and reinforcing bars on the valve cover, which is not easy to block. It is mainly used in the pumping pipeline. The action of channels and supports. The caliber is single, double, multi - lobe type. Flange connection and threaded connection.

Foot valve specification:
Product name: Bottom valve
Model: H42X/H42W
Drive mode: Automatic
Connection form: flange, thread
Structure: lift
Sealing structure: rubber
Pressure range: 0.25MPa-1.6MPa
Nominal diameter: DN15-600
Commonly used materials: cast iron, cast steel, stainless steel

Foot valve structure and principle:

Foot valve is composed of valve estimate, disc, valve cover, bushing, sealing ring, etc. See the water from the water source in the figure below to enter the valve body from the valve cover. Under the action of fluid pressure, the valve disc opens the water. When the pressure in the outlet pipe closes the valve disc quickly after the stop, the liquid will not be poured back to the water source, which plays the role of smooth pumping and saving water energy loss.

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