ASCO 821553 is a 2-way solenoid valve with a 24V DC pilot-operated coil. As a pilot-operated valve, it uses a small control signal to actuate the main valve, enabling reliable operation on lower-current circuits. This design supports on/off control of liquids or gases in industrial automation, instrumentation panels, and process equipment. The model is identified by part number 821553 from ASCO, ensuring compatibility with ASCO valve families and standard control solutions.
