Industrial SP-4579

Alkon SP-4579 is an industrial solenoid valve designed to provide electrically actuated on/off control of compressed air in automation and manufacturing equipment, enabling remote operation of pneumatic actuators, cylinders, and process lines. This model operates on 120 VAC at 60 Hz, has a compact form factor, and weighs about 0.61 lb, making it suitable for tight installations and panels where space is at a premium. The SP-4579 is discontinued by the manufacturer, so procurement typically relies on distributors or surplus channels; when sourcing, verify port sizing and connection type against your existing hardware and ensure the coil voltage and frequency match your control system. Listed under the ALKON solenoid valves family as SP4579, this legacy valve is commonly encountered in packaging lines, manufacturing cells, and general industrial pneumatic circuits that benefit from switchable air flow via a 120 VAC coil, and it may appear in refurbished or new-surplus condition through secondary suppliers.