YWK-18D Pressure Controller

YWK-18D type pressure controller uses diaphragm type sensor, high pressure resistance, long service life, compact structure, the shell is made of stainless steel, which is strong and durable. At the same time, due to the use of special sensors,

The YWK-18D solves the oil leakage problem of the piston pressure controller on the market.

  • 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
Working Viscosity <1× 10-3m2/s
Switching Elements Micro switch
Ambient Temperature - 25℃ ~55℃
Medium Temperature  0℃ ~80℃
Enclosure Protection Level IP65
Installation Position Pressure connection vertical down (15°C inclination allowed)
Vibration Resistance Max 100m/s2
Repeatability Error ≤2%
Service Life 1× 105 times
Contact Capacity AC 220V 6A (resistive)
(If there are special requirements, it can be designed separately)

Switching difference is not adjustable

Set Value Adjustment Range Switching Difference Is Not Greater Than Maximum Allowable Pressure ① Contact With Media Material Interface Type And Size
0.035~0.17 0.03 10 20 Steel Nitrile or 1Cr18Ni9Ti Fluorine Rubber M14× 1.5 (external thread)
0.1~0.5 0.07 10
0.35~1 0.14 10
0.5~4.5 0.40 60
1.2~12 1.2 60
1.6~16 1.4 60
2.4~24 2.8 60
3.2~32 4.5 60
4.2~42 4.6 60



① In actual operation, the maximum allowable pressure must not be exceeded even for brief pressure peaks.

②Special requirements for switching difference or interface type can be designed separately.


Controller selection and installation instructions

See controller selection and installation

Adjustment of the set value

See example 3 for details on adjusting the set value of the pressure controller

Pressure Controller

Pressure Controller


Pressure Controller

Single-pole double-throw microswitch action process:

Terminal 1-3 pressure rise to the upper switching value is switched on;

Terminal 1-2 pressure rises to the upper switching value disconnect.

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