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Make sure the pipe is not dirty and doesn’t have welding particles, for example, before installing it. This may cause irreparable damages in the valve when the equipment is started → prepare a clean working area.
For valves that are not frequently opened and closed, the handwheel should be turned regularly and lubricant should be added to the valve stem thread to prevent seizure.
Before opening the steam valve, the pipeline must be preheated and the condensate water must be discharged. Open slowly to avoid water hammer and damage to valves and equipment.
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