The check valve is designed and manufactured according well to API 6D and ANSI B 16.34. It can work in high temperature and pressure circumstance. It also have the features of good appearance, nice function and superior. Widely used for petroleum, chemistry, water treatment industries. Features:
Valve disc is given enough intensity and rigidity. Disc sealing surface may be built up welded with satellite alloy inlaid or other material responding to the users’ request.
Agility of switch
Solid ping is precisely installed and provided with high intensity to ensure operational performance and service life of valve.
The check valve adopt swing configuration. All the sealing part inside the valve, so all exterior leak may except the middle flange, and also the middle flange gasket may be different according to pressure class.
The disc and the hinge are connected between slippery spherical surface, and this makes the disc can circumnavigate in a little angle and regulates the sealing capability.