Air Pressure Switch versus Vacuum Switch

Air Pressure Switch, Vacuum Switch

Presair makes switches that can be used to sense either a pressure or a vacuum. These switches have a rubber diaphragm inside and two different air ports. The air ports are located on opposite sides of the diaphragm, one above and one below. In order to actuate the switch, the diaphragm needs to be pushed against the switching mechanism.

For more information about the difference between air pressure and vacuum, read this interesting article or contact us!

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