Pneumatic Differential Pressure Switch

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Pneumatic differential pressure switch.

500 mbar operating pressure. When the pressures from two different sources in a process are connected across the sensing diaphragm metallic or elastomeric as the case may be the pressure difference creates a force which then overcomes that of a pre tensioned spring and in the. Low pressure in pneumatic out. High 1 8 fpt lo 1 8 fpt out 1 4 barb.

A differential pressure switch is designed to sense a difference in pressure between two pressure sources in the plant for control purposes. Pneumatic differential pressure switch. Uses of pneumatic pressure switches include. Uses for pressure switches pressure switches are used in a variety of systems.

P p process pneumatics sdn. A pressure switch will have a hysteresis that is a differential range around its setpoint known as the switch s deadband inside which small changes of pressure do not influence the state of the contacts. Series 1996 compact low cost range 1 4 to 20 w c. How they work pressure switches can activate with either rising or falling fluid pressure so are essential components in any pressurized fluid system where automatic supervision is required.

Switches are single pole double throw spdt so they switch one circuit on or off. Square d by schneider electric 9013fhg12j52m1x air compressor pressure switch 125 psi set off 30 psi fixed differential 1 4 npsf internal 2 way release valve auto off cut out lever. Some types allow adjustment of the differential. Often used to indicate clogged filters they are designed to automate controls or activate an alarm in your process.

Differential pressure switch for air flue and exhaust gases max. When the differential pressure exceeds your setpoint the switch is activated. The pdp300 switch senses the flow of air in ducts or where differential pressure exists. Applications include natural manufactured or lp gas.

These switches operate based on the difference in pressure between two process lines. Our offering includes cleveland controls columbus electric dwyer johnson controls setra united elkectric wika as well as our own kele branded differential pressure switch products. Gas pressure differential pressure switch is used with air and other compatible gases. Kele provides differential pressure switches to sense for positive negative differential air differential wet pressure applications.

Pressure switches work by forming an electrical contact when its input is subjected to a certain amount of fluid or air pressure. It includes a bracket for direct or surface mounting. 604 659 8286 604 659 8287 singapore.