Does the valve stem of a control valve need to be lubricated?
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Apply a layer of butter; it keeps things fresh for longer, but it attracts dust and gets dirty already by the next day. Sometimes lubricant is applied and then spread evenly with a cloth, but the effect doesn’t last long. If it runs on steam, there’s no need for lubricant. What methods does everyone use for the maintenance of control valves?
There is no need to apply butter to the valves for steam and heat transfer oil. It is better to apply a layer of butter at other temperatures that are lower.
There’s no need; it’s all made of stainless steel and similar materials. Some, with fillers added, may leak instead
We here also have large petrochemical enterprises, but we have never drilled for oil.
It’s best to keep it clean:victory:
It can be buttered and covered with a PVC tube.
Oiling may affect the lifespan of the packing, so it should not be oiled. For the corrosion resistance of the valve stem itself, other methods should be considered.
It is necessary to check whether the bolt torque of the packing gland is appropriate; it should not be too tight nor too loose. Lubrication does not involve applying oil; graphite powder can be used to increase lubrication.