FIELD: machine building.
SUBSTANCE: control system for gas leaks at gas main crossing motor or rail road consists of protective jacket with vent stand and of gas concentration sensors with their outputs connected to electron unit. Also, control system consists of a connecting pipe for connection of the device for calibration of concentration sensors under route conditions. Additionally, the system includes a bypass tube connected parallel to the vent stand. The connecting pipe and gas concentration sensors are arranged in the bypass tube correspondingly between its input and output.
EFFECT: raised reliability of gas leak control at gas main motor and rail roads crossing.
6 cl, 2 dwg
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