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Reliable Close-off: The normally closed configuration and high-torque spring return mechanism prevent ghost flows in inactive zones
the internal ball check mechanism significantly restricts gas escapement to within ANSI Z21
has a fixed temperature limit of 130°F
contractors can eliminate relief valve dripping and "spitting" caused by debris fouling or rubber degradation
System Sensor EPS40-1 Pressure Control Els PW 17895 Reliable Close-off: The normally closedThe System Sensor EPS40 1 is a heavy duty low pressure supervisory pressure switch engineered specifically for dry pipe fire sprinkler systems, pressure tanks, and automatic water control valve supplies. This professional grade supervisory pressure switch features a field adjustable range from 10 to 100 PSI, factory preset to activate at 30 PSI on decreasing pressure to alert teams of critical system pressure drops. Built with a NEMA 4 rated
US$ 179.00
US$ 129.00