JC0004 Dual Contact Pressure Controller

 The controller uses diaphragm type sensors for neutral gas and liquid media. For example, air, gas, water, hydraulic oil, lubricating oil, light fuel oil, etc.

 The setting value of the controller is adjustable, and the adjustment range is 0~2.5MPa.

  • Price Term: FOB/CIF/EXW/DAP
  • Package: Exported Wooden case or according to customer request
  • Delivery Time:  7 to 10 working days
  • Transports: By sea, by air, by high express
  • Shipment Port: Shanghai Port
  • Origin of Place: Jiangsu
  • Warranty: 12 Months
Operating Viscosity <1×10-3m2/s
Switching Elements Micro Switch
Protection Class IP54
Ambient Temperature -5℃ ~40℃
Medium Temperature 0℃ ~90℃
Installation Position Pressure connection vertical down (15°tilt allowed)
Vibration Resistance Max 20m/s2
Repeatability Error ≤1.5%
Synchronicity Error ≤0.5% (refers to the synchronization error of the lower switching value ①)
Contact Capacity  AC 220V 6A (resistive)  600VA

Switching Difference Is Not Adjustable


Set Value



Mpa (Kpa)



Difference Is Not Greater Than


Maximum Allowable Pressure


Switching Times



Pressure Sensor Materials

Interface Female Thread W


Dimension Drawing No.
Housing Diaphragm
(0~2.5) (0.6) (50) 10 AL Nitrile Rubber G1/4″ 1.4 01
(0~6) (0.9)
(0~16) (1.2)
(0~25) (1.35)
0.005~0.06 0.009 1.5 40 Brass 1.55 02
0.005~0.1 0.015
0.005~0.16 0.018
0.005~0.25 0.225
0.03~0.4 0.045 4 1.25 03
0.03~0.6 0.075
0.05~1 0.09
0.1~1.6 0.18 5 1.25 03
0.1~2.5 0.225


①Requirement for upper switching differential synchronization should be specified in the order.

②In actual operation, even brief pressure peaks should not exceed this value.


Controller Selection And Installation Instructions

See controller selection and installation for details

Adjustment Of The Set Value

See the adjustment of the set value of the pressure controller example one and example two


Dual Contact Pressure Controller


Dual Contact Pressure Controller


Dual Contact Pressure Controller

Electrical Wiring Diagram

Single knife double-throw micro switch process:

Wiring terminals 1-2,4-5 Pressure rise to the upper switching value is disconnected;

Wiring terminals 1-3,4-6 Pressure rise to the upper switching value is turned on.

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