Some issues regarding steam valve leakage and condensate return valve dripping
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When a stop valve is used as both a steam valve and a backflow condensate valve, under what circumstances will air leakage and dripping occur? How are these problems generally solved?
Are you referring to internal leakage of the valve or external leakage?
Wear that occurs over time due to the use of the valve core can lead to internal leakage.
It’s outside the valve, dripping drop by drop; sometimes it drips even when it’s closed
Buy the filler and install it yourself.
Are you referring to the valve stem or the flange?