W in the valve model H42W-10C is the valve seat sealing surface material directly processed by the body to form, how to understand this sentence?
The sealing surface of the check valve is on the valve body. After the valve body is cast or forged, the inner surface of the valve body is directly machined with a boring machine to form a sealing surface, which is matched with the valve core without any other parts or processes
The sealing surface of the check valve is on the valve body. After the valve body is cast or forged, the inner surface of the valve body is directly machined with a boring machine to form a sealing surface, which is matched with the valve core without any other parts or processes
The sealing surface of the check valve is on the valve body. After the valve body is cast or forged, the inner surface of the valve body is directly machined with a boring machine to form a sealing surface, which is matched with the valve core without any other parts or processes
