What are the Differences between Forged Steel Ball Valves and High Pressure Ball Valves? (Part Two)
Note the following points in the use and maintenance of high pressure ball valves. When ball valves are closed, there still pressure fluid exits inside the valve body. Lubricate high pressure ball valves with lubricating grease. The lubrication grease should be compatible with metal materials, rubber parts, plastic parts and working media of ball valves. Lubricate grease on the surface of the sealing elements' installing groove, rubber sealing elements as well as the sealing surface and...