The SMC VHS50-06A is a manual 3-port residual pressure relief valve from SMC’s VHS series, built for pneumatic systems using compressed air. Turning the large red knob to the exhaust position blocks the supply port while opening the downstream line to atmosphere through the third port, venting trapped pressure without tools or power. The -06 model carries ¾-inch ports and installs directly in supply lines so technicians can safely service cylinders, valves, or actuators after shutdown.
