Pneumatic Pressure Switches

The K-Dyne Model P40 pneumatic pressure switch is specifically designed for the rigorous oilfield environment. It functions as a 3-way “block and bleed” valve that can be configured to respond to increasing or decreasing process pressures. The standard unit utilizes a patented system which provides three diameters that are selected by simply changing the orientation of one part. When used in combination with one of three available spring sizes, the Model P40 offers sensing ranges from 10 to 10,000 psi. without the purchase of additional bases or pistons.

This pressure switch may be used for any process application requiring a pneumatic instrument signal for process control. The most common uses are on flow lines, pipelines, and pressurized production vessels to control valves, pumps, actuators and/or initiate alarms.


Read more about our pressure instrumentation