installation and maintenance of stainless steel gate valves -9游会

installation and maintenance should be noted
1. the handwheel, handle and transmission mechanism are not allowed to be hoisted and the collision is strictly prohibited.
2. double gate gate valve shall be installed vertically (that is, the stem is in a vertical position and the handwheel is at the top).
3. gate valve with bypass valve shall open the bypass valve before opening (in order to balance the pressure difference between the import and export and reduce the opening force).
4. gate valve with transmission mechanism, installed according to the specification of product instructions.
5. if the valve is frequently used, lubricate at least once a month.