Non-rising stem gate valves that have been stored for a long time should be inspected regularly. Frequently exposed processing surfaces need to be kept clean, remove dirt, and neatly store them in a ventilated and dry place indoors. It is strictly forbidden to stack or store them in the open air. Always keep the gate valve dry and ventilated, keep it clean, and store it according to the correct method.

Before installation, you must check the various standards of the Non-rising stem gate valves, whether the diameter meets the requirements, eliminate the defects caused by the transportation process, and remove the dirt, and make preparations before installation.

During installation, the Non-rising stem gate valves can be directly installed on the pipeline according to the connection method, and installed according to the position used. In general, it can be installed in any position of the pipeline, but it needs to be easy to detect. The Non-rising stem gate valves can only be installed horizontally, and pay attention to the sealing performance to prevent leakage.

During use, the Non-rising stem gate valves should be kept clean, and the rotating thread must be lubricated regularly.

You have to use handwheel to operate the Non-rising stem gate valves, and do not use levers or other tools to avoid damage to the valve stem. Turn the handwheel clockwise to close and counterclockwise to open.