Rate-of-Rise Detector 7
Rate-of-Rise Detector 7 :
A device that responds when the temperature rises at a rate exceeding a predetermined value. Typical examples of rate-of-rise detectors follow Pneumatic Rate-of Rise Tubing. A line-type detector comprising small-diameter tubing, usually copper, that is installed on the ceiling or high on the walls throughout the protected area. The tubing is terminated in a detector unit containing diaphragms and associated contacts set to actuate at a predetermined pressure. The system is sealed except for calibrated vents that compensate for normal changes in temperature
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