What is a 3-way Solenoid Valve ?
3-way solenoid valves operate in a manner analogous to single-pole double-throw (SPDT) electrical switches: with two paths for flow sharing
3 way solenoid valve for gas
Four Way Solenoid Valve Working Principle
Most indirect-acting solenoid valves operate slower than their direct-acting counterparts. This is because air pressure is routed in and out
