Causes of solenoid valve failure
Thread Content
After being in use for three to four months, the solenoid valves currently in use begin to show slow response, incomplete opening and closing, or fail to function. I would appreciate it if an expert could explain the reason. Thank you.
I have encountered in practice: 1. Wear on the valve core and valve seat 2. The medium inside the valve contains impurities 3. There is a problem with the circuit; the operating voltage is low
It’s also possible that 1: the sealing ring is allowing air leakage; in that case, it should be disassembled and lubricated, or the rubber ring should be replaced. 2. The coil plug is damp and corroded; open the junction box to address it. (Note: Make sure the sealing ring of the junction box is properly pressed in.) 3. Water or contaminants have entered the valve spool armature. (The exhaust vent should not face upward)