What is a Hydraulic Solenoid Valve Coil?


How Does the Hydraulic Solenoid Valve Coil Work?

Hydraulic solenoid coils are a common electrical component that uses a wire that is tightly wrapped around a core, usually made of metal, to generate an electromagnetic field. When an electrical current is passed through the coil, the electromagnetic field that is created provides energy for linear motion. Hydraulic solenoid valve coils are one of the simplest forms of linear actuation devices.


What is the Insulation Grade of the Hydraulic Solenoid Valve Coil?

Copper wire is the most common type of wire that is used to construct a solenoid coil. There are other types of wire available, but none of them have the same conductivity and pliability as copper. The classes of copper wire that have the characteristics and properties needed for solenoid coils are classes F, H, and N.

Class F

Class F copper windings can withstand temperatures exceeding 155° C and work well in ambient temperatures of 20° C with media up to 100° C.


Class H

Class H windings can withstand temperatures in excess of 180° C and operate well in 50° C with media at 180° C.


Class N

Class N windings work well at temperatures that exceed 200° C and an ambient temperature of 80° C with media up to 200° C.


Working Principle of Hydraulic Solenoid Valve Coil

There are two key components to a hydraulic solenoid coil: its magnetic field and electricity. Magnets can be pointed at metal objects and change the direction of the object or its position. The problem with a magnet is that once magnetized, it cannot be turned off, and it continually emits its magnetic field.

This particular problem is not part of the operation of a hydraulic solenoid coil. Since its magnetic field is activated by electricity, it is possible to control when and how the magnetic field can be used.

All wires produce a weak magnetic field when electricity passes through them. To enhance this property and create a strong magnetic field, wires for a hydraulic solenoid coil are wound into a coil where each curled wire produces the same magnetic field as a single straight wire.

Every electrical device requires a closed loop between the thing being powered and the power source. A switch is a safe and convenient way to break the connection between the device being powered and its source of power. As the need for power increases, the size of the switch to break the connection has to increase as well.

Though the amount of power increases with the size of the switch, it still only takes a small amount of energy to turn the switch on and off. The use of a solenoid can provide the necessary energy since its operation does not require much energy. In essence, a 24 volt solenoid can easily turn on a 240 volt machine.

If a normal switch were connected to a large piece of equipment, it would require a huge wire with a very large diameter to provide the necessary power to turn on the machine. Since a solenoid does not require the same amount of power as the device it is turning on, the size of the wire can be smaller and less expensive.

The back-and-forth motion of a hydraulic solenoid coil either allows an application to activate or turns it off. As simplistic as it may be, a solenoid makes the activation of large pieces of equipment easy without the need for excessive energy.


How to Replace the Hydraulic Solenoid Valve Coil

1. Determine the dimensions and fixation of the coil

2. Determine the voltage and electrical power

3. Determine the type of connector

4. Standards

5. Installation


The Best Hydraulic Solenoid Valve Coil Manufacturer

If you need to buy hydraulic solenoid valve coils in bulk, please contact us. We are a professional electromagnetic coil manufacturer and have been providing hydraulic solenoid coil products for European and American countries. Our quality is good, the price is cheap, and we are a trustworthy supplier!

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