ASCO Numatics 122BA400K000020 is a single-solenoid pilot valve configured as a 2-position, 4-way device for pneumatic circuits. The valve is actuated by one electrical coil to route air through four ports, enabling control of a pneumatic actuator or to pilot a larger main valve in automation systems. The model is identified by the 122BA400K000020 part number within the ASCO Numatics lineup.
