Low Pressure Switch Vs Pressure Switch

The low pressure shut off switches are available with low pressure cut off point of approximately 8 to 10 lbs.

Low pressure switch vs pressure switch.

And if something catches fire while there s excess pressure valves controlling the supply of water to sprinklers may not open on time. Shop for pressure switches and other water pump accessories in our online store. In this video tutorial we explain how these switches work and the pros and cons in using them with your pump installation. Square d by schneider electric 9013fsg2j24m4 air pump pressure switch nema 1 40 60 psi pressure setting 20 65 psi cut out 15 30 psi adjustable differential low pressure cut off 4 6 out of 5 stars 189.

Positive low pressure switches function in much the same way. Connect a low pressure switch with 1 4 female disconnects and automotive wire for a complete connection in any on road off road or industrial equipment. Essentially they work by converting the positive pressure signal to an electrical output thus only responding to changes in the positive pressure chamber. Thus the switch is designed to respond only changes in the negative pressure chamber.

The low water pressure switch attachment drops to turn off the pump when it loses its prime and the pressure drops to a specific low pressure cut off point. Low cost differential pressure switch. Switches for high and low air pressure play the same role but also detect increases in pressure. That added pressure could damage pressure activated valves and other components in fire sprinkler systems.

Negative low pressure switches function by converting the negative pressure signal to an electrical output. Switches are single pole double throw spdt so they switch one circuit on or off. Low pressure cutoff switch technical details pressure range 20 to 65 psi. Epd1s series differential pressure compact economical stripped can be used for high low limit control working ranges from 22 150 psi set point range from 22 40 psi.

Nason sq low pressure switches are fingertip adjustable for a more customizable setting and no tools are required to make adjustments. They electrically activate automated controls or alarms when a set pressure is reached. Low pressure cut off pressure switches turn the pumps off if the water pressure dips below 15 psi.