What method shall be used to cool down during the installation of welded ball valve When installing the welded ball valve, what is the best way to reduce the temperature? For example, the hot forged metal can be friction welded. Friction weldin... 2022-10-26

What are the characteristics of welded ball valves What are the characteristics of welded ball valves: 1. The valve body is welded by steel pipes. 2. The ball cushion is made of reinforced polytetrafluoroethylen... 2022-10-26