The oil pressure for the cut-off valve at the inlet of the catalytic flue gas extractor cannot be maintained
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The oil pressure at the inlet cut-off valve of the catalytic flue gas extractor cannot be maintained. Under normal conditions, both oil pumps operate properly, and the oil pressure fluctuates slightly (remaining between 1.6–1.8 MPa). However, there is a problem where the oil pressure cannot be maintained even when the oil pumps are functioning well; what are the common causes for this issue, according to experts?
It must be an internal leak; I don’t know what type of valve is being used. What is the temperature at the site?