Summarize key points
Regularly check for leaks and operational feel.
The top priority is to maintain good lubrication of the valve stem and operating mechanism (using the right grease!).
Timely adjust or replace the leaking packing.
Avoid dry friction and excessive opening.
It is strictly prohibited to use it as a regulating valve (only for opening/closing).
Regularly operate valves that have not been operated for a long time (fully open and fully closed several times).
When replacing seals, it is important to ensure compatibility (especially with the material).
Before disassembly and maintenance, it is essential to ensure pressure relief, emptying, and isolation! safety first!