Replacement Solenoid Coils

Replacement solenoid coils are needed in hydraulic systems when the solenoid coil used to control a hydraulic solenoid valve wears out or stops functioning. A solenoid is an electromagnet that consists of a tightly wrapped metal coil around a solid metal core. They produce a controlled, uniform magnetic field, and the metal coil can be inserted or removed which creates a method of control for various devices, including a hydraulic valve.

How do solenoid coils work in a hydraulic system?

In a hydraulic solenoid valve, solenoids are used to control the flow of fluid. Most commonly, they are used as a low-power switch that opens and closes a pilot valve, which in turns controls the main valve by applying pressure to a connected piston or diaphragm.

Types of replacement solenoid coils

There is little difference between different types of replacement solenoid coils, but they can have various power supply voltage which may affect which one you choose. They are also available from a range of different manufacturers.


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Description Price Manufacturer Series CETOP Mounting Power Supply Voltage
RS Stock No. 278-4508
Mfr. Part No.43004469
BrandAsco
£17.47
Each
Units
- - 12 V dc, 24 V ac
RS Stock No. 278-4463
Mfr. Part No.43004166
BrandAsco
£15.39
Each
Units
189 - 24V dc
RS Stock No. 278-4485
Mfr. Part No.43004422
BrandAsco
£15.39
Each
Units
- - 230V ac
RS Stock No. 278-4514
Mfr. Part No.43004473
BrandAsco
£17.47
Each
Units
190 - 24 V dc, 48 V ac
RS Stock No. 278-4479
Mfr. Part No.43004416
BrandAsco
£15.39
Each
Units
- - 24V ac
RS Stock No. 278-4520
Mfr. Part No.43004472
BrandAsco
£17.47
Each
Units
- - 110 V dc, 230 V ac