What is the advantage of life type check valve? 

lift check valve refers to the valve which automatically opens and closes the valve disc by replying on the flow of the medium itself to prevent the back-flow of the medium, it is also known as one way valve, non return valve, back pressure valve, cut off valve.Lift check valve is mainly composed of valve body, valve seat, valve disc, valve cover, gasket, and so on.

Advantages of lift type check valve:

1. lifting steel check valve has the advantages of simple structure, reliable action, convenient maintenance,etc, which is widely used in pharmaceutical, chemical, metallurgy, electric power, textile, purification, equipment, petroleum and other production processes; 
2. The function of the lift check valve is to only allow the medium to flow in one direction and prevent the reverse flow, and the valve disc can be made of metal, or cover the metal with leather, rubber, or synthetic cover, plenty material for option. 
3. The disc of the lift check valve is seated on the sealing surface of the valve seat on the valve body. Except that the valve disc can rise and fall freely, the rest structure of the lift check valve is like a globe valve, and the fluid pressure lifts the valve disc from the sealing surface of the valve seat, the back-flow of the medium causes the disc to fall back to the seat and shut off the flow.