1/2" NPT 5 Port 4 Way Double Solenoid Valve (220VAC Grommet) 200C Coil
This is a pneumatic directional solenoid valve with a four-way operation & five ports (P = Pressure, A = Outlet, EA = Exhaust for port A). Four-way, two-position valves are generally used to fully extend a double acting (air return) cylinder, or in applications with similar operation.