Direct acting solenoid valve is a small 3-way general service solenoid valves used to permit and shut off fluid or gas flow. It is directly actuated by the solenoid and does not require any difference in pressure between the inlet and outlet ports. And the valve will operate at pressures from 0 psi to its rated maximum. It is available in voltage-ranging, harsh-environment, direct-mount, dribble-control, and long-life constructions.