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Modulating pressure operating control for regulation of liquid or air and other non-corrosive gases.


  • Use with steam, air, noncombustible gases, or other fluids non-corrosive to the brass or phos-bronze (300 psi models) bellows.
  • Do NOT use with combustible mediums or any medium chemically harmful to phos-bronze bellows (10-300 psi models) or brass bellows (all other pressure range models).

Product Specifications

Modulating pressure control for regulation of liquid, air, or other non-corrosive gases.
Dimensions (in.)
6 1/16 in. high x 4 1/2 in. wide x 2 3/4 in. deep
Dimensions (mm)
154 mm high x 114 mm wide x 70 mm deep
optional surface mount through back of case
Electrical Connections
Screw terminals
Operating Temperature Range (F)
32 F to 150 F
Operating Temperature Range (C)
0 C to 66 C
Sensor Element
Phos-bronze bellows
Operating Range (psi)
10 to 300 psi; 325 psi - Maximum Sustained
Operating Range (kPa)
69 to 2068 kPa; 2241 kPa - Maximum Sustained
Differential Pressure Range (psi)
12 psi
Differential Pressure Range (kPa)
83 kPa
Switch Operation
Pipe Connection
Main or High Pressure--1/4 in. NPT internal thread
Modulation Output
Single potentiometer, 140 ohms
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