Handwheels, handles, and transmission mechanisms are not to be used for lifting purposes and are strictly prohibited from collision.

The double gate valve should be installed vertically (i.e., the valve stem is in a vertical position, with the handwheel at the top).

Gate valves with bypass valves should first open the bypass valve before operation (to balance the pressure difference between the inlet and outlet and reduce the opening force).

Gate valve with drive mechanism, installed according to the instructions in the product's manual.

If the valve is frequently operated, lubricate it at least once a month.