Cause analysis and installation form of solenoid valve coil enameled wire burned

There are two main reasons for the coil burning of solenoid valve:

1： The coil temperature is too high.

2： There's water in the coil.

The coil temperature is too high due to the following reasons:

1: The actual voltage fluctuation is too large, which exceeds the rated voltage range. The general voltage deviation of domestic enameled wire is 5%, and that of good manufacturer can reach 10%.

2: The medium in your solenoid valve may be foreign, stuck, the force of the solenoid coil cannot open the solenoid valve, which causes the solenoid to work all the time. The coil is electrified and heated for a long time, and the temperature rises, and finally the words burn down.

3: The starting power of the coil is not enough, which leads to the solenoid valve can not be opened, the coil is heated for a long time, and the temperature rises, which finally causes the words to burn down.

4: Your PTC thermistor is broken, which causes the solenoid valve to be out of control.

Why do solenoids have to be installed horizontally? Can I install it vertically?

The solenoid valve is installed horizontally and the coil is vertical upward. Some products can be installed arbitrarily, but it is better to be vertical when the conditions permit to increase the service life.

Solenoid valve is mostly used for on and off in fluid environment, so it is directional and cannot be installed in reverse.

In general design, the solenoid valve should be installed horizontally, which is mainly considered from the service life. In the pneumatic environment, such design also reduces the effect of impurity plugging; In liquid environment, because of the large current, the vertical or inclined electromagnetic valve is easy to be affected by impurities and thus affect its normal operation. Besides, the sticking and plugging of impurities and the gravity of ferromagnet are all the factors that can easily affect the use of solenoid valve.

In hydraulic system, because of the high current, in order to extend the life of solenoid valve, relay is usually needed.