504/7DZ Dual Contact Pressure Controller

 The controller adopts a piston type sensor with an oil drain port, which can be used for neutral hydraulic oil and other media.

 The set value of the controller is adjustable, and the adjustment range is 0.3 to 40MPa.

  • 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 -20℃ ~50℃
Medium Temperature 0℃ ~100℃
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






Difference Is Not Greater Than


Maximum Allowable Pressure


Switching Times



Pressure Sensor Materials

Interface Female Thread W


Dimension Drawing No.
Housing pistons
0.3~4 0.6 16 30 Galvanized steel steels G1/4″ 1 01
0.3~6.3 0.9
0.5~10 1.5 30
0.5~16 1.8
1~25 3 80
1~40 3.5


① Require synchronization of the upper switching value, which 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 1 and example 2

Dual Contact Pressure Controller

Dual Contact Pressure Controller

Wiring terminals 1-2,4-6 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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