ASCO 8321A6 MO Solenoid Valve

ASCO 8321A6 MO Solenoid Valve is a three‑way quick‑exhaust valve from ASCO’s 8321 family, engineered for fast venting and reliable pneumatic control in industrial equipment. The model designation includes a 120 V, 60 Hz coil and the manual operator suffix MO, which provides momentary manual actuation alongside electrical control. In operation, energizing the coil shifts the internal pilot to connect the supply to the selected actuator port while venting the unused port to atmosphere, delivering rapid actuation. The valve is normally closed when de‑energized, offering fail‑safe behavior in pneumatic circuits. The MO suffix indicates a momentary manual override suitable for commissioning, testing, or manual positioning. Designed for air and inert gas applications, this 8321 series valve supports quick exhaust and pilot‑operated control, making it well suited for automation lines and equipment that require fast cycle times and precise directional control of ports.