The steam relief gate valve of the dry quenching coke boiler makes a screeching sound
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A 200 mm diameter vent pipe is connected to the DN200 medium-pressure steam pipeline, with a gate valve installed vertically; why is there always a screeching noise? What could be the reason? Please give me some advice!
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It is likely that there is a leak in the electric valve or control valve located behind the relief valve, or it may be open allowing steam to flow through. Under normal conditions, the manual relief valve should be open, and the electric valve or control valve is used for adjustment