Potter's Auto-Test Pressure Switch: The Next Evolution in Automated Sprinkler System Testing
We are excited to announce the Auto-Test Pressure Switch (ATPS), the latest addition to its …
PS40-EX
Explosion Proof Low/High Supervisory Pressure Switch for Dry Valves - Nominal System Pressure 40 psi
The Potter PS40-EX Supervisory Pressure Actuated Switch is designed primarily to detect an increase and/or decrease from normal system pressure in automatic fire sprinkler systems located in hazardous locations classified as shown above. Typical applications are: Dry pipe systems, pre-action air/nitrogen supervision, pressure tanks, air supplies, and water supplies. The PS40-EX switch is factory set for 40 PSI (2,8 BAR) normal system pressure. The switch marked with the word LOW is set to operate at a pressure decrease of 10 PSI (7 BAR) at 30 PSI (2,1 BAR). The switch marked with the word HIGH is set to operate at a pressure increase of 10 PSI (7 BAR) at 50 PSI (3,5 BAR).
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