Two-way two-port stainless steel solenoid valves, pilot-operating type, are general purpose for controlling the flow of air, water and oil. The solenoid valve is Normally Open (NO), i.e., the valve is closed when the coil is energized, and open when the coil is de-energized. This valve features high reliability and long service life for the applications such as mechanical, textile, medical, food processing and so on.
Two-way Solenoid Valve SymbolTips: Why the solenoid valve doesn’t work after it is energized?
There are some possible reasons for this problem:
Aiming at the above causes, there are some suggestions listed one by one for your reference.
ATO Solenoid Valve Catalog.pdf