Pressure Supervisory Switch (Potter PS40)

Viking valve and system offerings provide customers with industry-leading quality that lasts — making the choice to select a Viking valve and system product, such as a Pressure Supervisory Switch (Potter PS40), easier than ever!! 

The Potter PS40 is 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).

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