Application： Municipal construction, Power,Water supply, Petroleum industry
Swing check valve is dependent on the flow of the medium itself and automatically open and close, It is prevent the backflow of the medium , also known as check valve,one way valve, reflux valve,backpressure vale.
1. QT450-10 valve body, level 3 Spheroidization rate, tensile strength over 450Mpa, elongation over 10%. not easy to crack or freeze.
2.250μm thickness epoxy coating. It is prevent corrode and rust.
3.Heavy type valve body.
4.Cr13 seat, better wear-resisting and sealing performance.
5.Each valve will be inspected for shell and seal pressure before leaving factory.