When installing the valve on the horizontal pipeline, the valve stem should be vertically upward, and the valve stem is not allowed to be installed downward; when installing the valve, it is not allowed to use a separate compulsory professional counterpart interface method to prevent damage due to uneven bearing force. ; Concealed stem globe valve is not suitable for installation in cold and wet places underground to prevent stem from rusting.

 

The above article has already told everyone how to open and close the valve. The reference answer has already been written to everyone in the article. From this, everyone already knows that turning to the left is to turn off the valve and turning to the right is to open the valve. , pay attention to the arrow marks on the valve, there are arrow marks on the valve to tell you how to open and close, so we don't have to worry.