pressure switch


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pressure switch

[′presh·ər ‚swich]
(electricity)
A switch that is actuated by a change in pressure of a gas or liquid.

pressure switch

pressure switchclick for a larger image
A switch used to turn an electrical device on or off when a specified fluid pressure is reached. For example, a pressure switch in some hydraulic systems comes into operation when the hydraulic pressure drops to a cut-in pressure value. Pressure switches are also used in aircraft starting systems and engine-hour meters.
References in periodicals archive ?
Finally, FMTV-A1 models with Caterpillar C7 engines use a digital-style pressure switch, NSN 6620-01-524-9112.
Depending on the mechanical construction of the snap-action pressure switch, this dead zone may represent a critical pressure range in which no secure switching can be guaranteed and both electrical circuits remain open.
For an automatic on-off control boiler, the pressure switch signals that firing is necessary when the pressure has reached its minimum setting.
A have your garage check the oil pressure switch oil leaking through it.
Limited Tenders are invited for Procurement Of Differential Pressure Switch, Georgin Make, Model Dmpb -16M10, For Furnace Pressure.
Mechanics, if the light stays on after changing the filter element, the problem is probably a bad by-pass pressure switch on the engine oil pump assembly.
The finger-groove magazine grip (MGRIP1) (shown) provides three ergonomic indentations for finger placement, a waterproof storage compartment and removable covers for mounting a recessed pressure switch.
The problem remained, and further troubleshooting included changing the same pressure switch again, a drain and flush on the oil system, and replacement of two scavenge pumps.
It is instinctively activated by a pressure switch built into the backstrap of the polymer Lasergrip.
Made from quality components, the unit consists of a reliable pressure switch, a 5-way solenoid control valve with adjustable nozzles, and either a bali valve or butterfly valve with manual override.
Other standard features include an adjustable low supply water pressure switch, automatic vent sequence and a 150 psi pressure relief valve.