Pneumatic Differential Pressure Switch

Some types allow adjustment of the differential.

Pneumatic differential pressure switch.

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. Lgw a2 lgw a2p lgw a2 7. 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. Call us now malaysia.

Pneumatic differential pressure switch. Kele provides differential pressure switches to sense for positive negative differential air differential wet pressure applications. Switches are single pole double throw spdt so they switch one circuit on or off. It includes a bracket for direct or surface mounting.

Uses of pneumatic pressure switches include. When the differential pressure exceeds your setpoint the switch is activated. Low pressure in pneumatic out. Often used to indicate clogged filters they are designed to automate controls or activate an alarm in your process.

These switches operate based on the difference in pressure between two process lines. Applications include natural manufactured or lp gas. High 1 8 fpt lo 1 8 fpt out 1 4 barb. Pressure switches work by forming an electrical contact when its input is subjected to a certain amount of fluid or air pressure.

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. 500 mbar operating pressure. P p process pneumatics sdn. Series 1996 compact low cost range 1 4 to 20 w c.

Differential pressure switch for air flue and exhaust gases max. A differential pressure switch is designed to sense a difference in pressure between two pressure sources in the plant for control purposes. The pdp300 switch senses the flow of air in ducts or where differential pressure exists. Fan interlocking is very common.

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. Gas pressure differential pressure switch is used with air and other compatible gases. Clear easy to read and convenient external setpoint adjustment.