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Page 2: ...ucts if appropriate Consider the process conditions Butane is normally heavier than air but if released from a process line which is at an elevated temperature and or under pressure the gas may rise rather than fall The placement of sensors should be determined following advice of experts having specialist knowledge of gas dispersion the plant processing equipment as well as safety and engineering...
Page 3: ... Close the junction box of the detector ensuring the 4 x M6 Allen head screws are securely fastened k The detector is now operational 3 2 Routine maintenance The operational life of the pellistor sensor depends on the application Crowcon expect that such a device will work satisfactorily for up to 5 years in ideal conditions Site practices will dictate the frequency with which detectors are tested...
