Cast Steel Flanged Swing Check Valve
1.Bolted bonnet, and the type of middle flange gasket may be different according to pressure class; Check valve in 600LB may adopt pressure sealed structure.
3.Disc stop device to prevent disc from being opened too high, thus causing failure to be closed down.
4.Solid pin is precisely installed and provided with high intensity to ensure operational performance and service life of valve.
5.Rocker arm is given enough intensity. Upon being closed down, it has enough freedom for the close-down of valve disc.
6.Large size check valve are provided with lifting rings for the convenience of hoisting.