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Pressure Switch
Series PS500


The PS500 series pressure switches are designed for high pressure applications up to 3000 psig. The switch features materials of construction that are compatible with a wide variety of gases (high purity, flammable, and many corrosives).


  • Activation switch is UL recognized.
  • May be set to activate to open or close for either declining or rising pressures.


Max. Inlet Pressure: 3000 psig
Set Pressure Range:
50-500 psig
Specify setting when ordering
Operating Temp. range: -40°F to +140°F
Pressure Connection: 1/4" NPT male
Electrical Rating: 4A-250VAC
Electrical Connection:
18" flying leads with
1/2" conduit connection
Pressure Switch Series PS500

Materials of Construction

Body: 316 SS
Bonnet: clear anodized aluminum
Diaphragm: 316 SS
Seal: Buna-N (Telfon® is an available option)

How To Order

PS500-DXXX activates on decreasing pressure
PS500-IXXX activates on increasing pressure

*Specify activation pressure when ordering.
If optional Teflon® seal is required add suffix "T" to P/N.

Pressure Transducers
Model PT825


The PT825 pressure transducers are a very convenient way to monitor the pressure of a system electronically. They are used in a large variety of applications including process monitoring, hydraulics, HVAC, and water treatment.


Output: 0-5 VDC
Input: 13-30 VDC
Construction: stainless steel
Inlet Connection: 1/4" Male NPT

How To Order

ModelPressure Range
PT825-0400 0-400 psig
PT825-3000 0-3000 psig