Seeko is one of the leading China Check Valve manufacturers, welcome to inquiry Check Valve from our factory.

Check valve included partial open design according to BS 1873, full open according to API 6D design and wafter type for reducing installed space. The swing heck valve could be installed at any position without space limited, but lifting check valve must be installed at horizontal position. They are mainly protected and prevented service backflow. All check valve must design with minimum pipeline open force,the service pressure must higher than disc’s minimum weight.

The API 6D check valve is normally used for oil and gas pipeline and all other check valves are mainly used in chemical industry.