Pneumatic Differential Pressure Switch
Clear easy to read and convenient external setpoint adjustment.
Pneumatic differential pressure switch. These switches operate based on the difference in pressure between two process lines. Call us now malaysia. Switches are single pole double throw spdt so they switch one circuit on or off. 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.
Uses of pneumatic pressure switches include. Low pressure in pneumatic out. Applications include natural manufactured or lp gas. It includes a bracket for direct or surface mounting.
The pdp300 switch senses the flow of air in ducts or where differential pressure exists. 500 mbar operating pressure. Differential pressure switch for air flue and exhaust gases max. Pneumatic differential pressure switch.
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. Some types allow adjustment of the differential. Uses for pressure switches pressure switches are used in a variety of systems. High 1 8 fpt lo 1 8 fpt out 1 4 barb.
Gas pressure differential pressure switch is used with air and other compatible gases. Fan interlocking is very common. Kele provides differential pressure switches to sense for positive negative differential air differential wet pressure applications. 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.
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. 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. Lgw a2 lgw a2p lgw a2 7. When the differential pressure exceeds your setpoint the switch is activated.
Often used to indicate clogged filters they are designed to automate controls or activate an alarm in your process. P p process pneumatics sdn. A differential pressure switch is designed to sense a difference in pressure between two pressure sources in the plant for control purposes.