Operation principle and structure of gas check valve

1, when the flow direction of the arrow through the valve, the fluid pressure to the valve flap rises smoothly through the valve and fluid

2, when the fluid flow back, due to the weight of the valve and the pressure of the fluid pressure, the valve flap decreased and sealing surface and sealing surface.

3, the valve is fully closed structure, no dynamic seal, never leakage.

Main part material of gas check valve

Part name material

Body and bonnet steel WCB

Valve flap 25# sealing surface nylon 1010

Middle flange bolt 35CrMoA

35# Shanghai valve in the flange nut ordering notice: we can provide you with professional solutions, including design, custom, complete, operation, service. We have been committed to the field of valve industry leader, to provide you with the latest knowledge of the valve, the best service, the best technical consultant. If you have any questions, you can call us, we will try our best to provide you with quality service. If you have selected our company's gas check valve products from the design unit, please according to the parameters of the gas check valve directly with our sales center. When you use the occasion is very important or the environment is more complex, please provide design drawings and detailed parameters, our engineers experts will concentrate on your audit and analysis. We aspire to become the world's leading manufacturer of valves