STC 4F210GL-1/4 Foot-Operated Pneumatic Valve with Locking (Detented) Pedal & Guard 1/4" NPT Anodized Aluminum NBR

The 4F210GL-1/4 is a manual pneumatic directional valve with a two-way operation & five ports (P = Pressure, A = Outlet 1, B = Outlet 2, R/S = Exhaust). Four-way, two-position valves are generally used to fully extend and retract a double acting cylinder, or in applications with similar operation.