07-07-2023 дата публикации
Номер: CN116398691A
Принадлежит:
The invention relates to the technical field of valves, and provides a valve detection and repair method, which can open a valve plate of a butterfly valve on site, determine the position of a valve plate sealing element in the butterfly valve, uniformly smear a coloring agent on the surface of the valve plate sealing element, and close the valve plate of the butterfly valve, so that the coloring agent is in contact with a valve seat; maintenance personnel can determine the to-be-maintained part corresponding to the valve plate sealing piece according to the first coloring pattern of the coloring agent on the valve seat; the butterfly valve is repaired by loosening the valve plate sealing pressing ring and cleaning the two sides of the to-be-repaired part corresponding to the valve plate sealing piece, and therefore the butterfly valve can be repaired under the condition that the whole butterfly valve does not need to be disassembled, and a large amount of manpower and material resources ...
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