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Fire Sprinkler Systems
Pressure Switches
PS40 Series

Revolutionize Your Sprinkler System Testing

The Auto-Test Pressure Switch (ATPS) is a groundbreaking innovation that automates the testing of fire sprinkler system pressures, ensuring faster, safer, and more accurate inspections.

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PS40 Series

Low/High Supervisory Pressure Switch for Dry Valves - Nominal System Pressure 40 psi

The Potter PS40 Series Supervisory Pressure Actuated Switches are designed primarily to detect an increase and/or decrease from normal system pressure in automatic fire sprinkler systems. Typical applications are: Dry pipe systems, pre-action air/nitrogen supervision, pressure tanks, air supplies, and water supplies. The PS40 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).

For additional information on fire sprinkler pressure switches and wet pipe systems visit our Fire Sprinkler Monitoring Training Section.

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Fire Alarm Systems Brochure

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