Solenoid valve will not be closed after power failure
the pilot solenoid valve, the valve before and after the need to have certain pressure difference to normal use;
Whether the fluid medium is clean, the balance hole of the solenoid valve, pilot hole or pilot valve port (diameter about 2-3mm) is easy to plug
Whether the direction of the fluid in accordance with the direction of the valve body arrow, or did not install as required (horizontal, vertical or elbow distance, etc.
First of all to determine structure of the electromagnetic valve, whether the selection of error
direct acting solenoid valve, there are restrictions on the use of pressure, usually zero pressure or low pressure
