Rundong’s valve body and valve seat are made of premium alloy steel though one-piece forging and carburizing treatment processes, thereby ensuring high intensity. In addition, precise calculation is performed and CNC machining is conducted for the dimensional matching of valve seat and valve body working angles to enhance service life of the valve body and valve seat. Our valve products are able to work smoothly in normal mining and digging conditions for over 400 hours.

Our valve body and valve seat come in various sizes including API4#, 5#, 6#, 7#, 8# and different structures including through-hole, three-web and four-web. Per customers’ requirements, we are able to manufacture valve body with different materials such as composite polyurethane, high temperature resistant polyurethane or butadiene-acrylonitrile rubber, etc.