FIELD: machine building.
SUBSTANCE: proposed system comprises drain tube communicated with ball valve inner chamber, high-pressure and low-pressure pulse tubes communicating high- and low-pressure gas pipelines with drain tube, as well as five gate valves and gas meter integrated into circuit to define gas flow through, in turn, first and second seals and, finally, total gas flow through both seals. Results of measurements are used to diagnose gas leaks via ball valve shaft.
EFFECT: possibility to reveal gas leaks.
1 dwg
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