Gardner Denver QX186038 Solenoid Valve

The QX186038 is a 24V DC electric solenoid valve designed as an unloading valve for Gardner Denver and CompAir screw air compressors. It regulates the intake airflow and system pressure during load/unload cycles, ensuring efficient compressor operation and motor protection. The valve operates as an electromechanically actuated pilot-operated valve, switching compressed air or oil-air mixture media within the compressor control circuit. Constructed with a brass or stainless steel valve body and a Class F or H insulated coil for continuous duty cycles in industrial environments. This assembly replaces Gardner Denver OEM part number QX186038 and cross-references to QX186104, QX112523, PS2197.2, and ATE61019. Direct fit for Gardner Denver and CompAir screw compressor series where this specific part number is specified in the service manual.