1/4" NPT 4 Way 2 Position Panel Mount Push/Pull Hand Draw Valve, Momentary Spring Return
Hand-Operated Pneumatic Valve with Two Position Push / Pull Handle: 4R210-1/4S.
The 4R210-1/4 is a manual pneumatic directional valve with a four-way operation & five ports (Pressure, Outlet 1, Outlet 2, Exhaust for port A, Exhaust for port B). Four-way, two-position valves are generally used to fully extend and retract double acting cylinders, or in applications with similar operation.