The MAC 55B-11-PI-590JJ is a high-performance 3-way solenoid valve from MAC Valves’ 55 Series, designed for versatile pneumatic applications. Key Features Configuration: 3-way, normally closed, inline design. Port Size: 1/4-inch NPTF. Pilot Air: Internal. Voltage: 24 VDC. Power Consumption: 2.5 watts. Manual Operator: None. Electrical Connection: Square connector (male only). Operating Pressure: 30-150 PSI. Design and Performance The 55 Series features a balanced spool design piloted by a small direct-operated balanced poppet valve, ensuring consistent performance and reliability. Its short stroke and high flow capabilities make it suitable for various industrial applications. The valve’s versatility allows for conversion to vacuum use, external pilot function, or remote air operation by modifying the pilot assembly. ([macvalves.com](https://www.macvalves.com/product/58-series/?utm_source=openai)) Applications Ideal for pneumatic systems requiring precise control and durability, the MAC 55B-11-PI-590JJ is commonly used in automation, manufacturing, and process control industries. Warranty This product includes a 2-year warranty, ensuring reliability and customer satisfaction.