Product Introduction
The cast steel check valve automatically opens and closes by means of medium pressure, which can effectively prevent medium backflow. It includes types such as lift type and swing type. Suitable for media like water, steam, and oil, the sealing surfaces of the valve disc and valve seat are surfacing welded with alloy, providing wear and corrosion resistance. With a reasonable structural design, it is widely used in pipeline systems of petroleum, chemical, electric power and other fields.