ASCO 8551A403-007 Air Operated Pneumatic Solenoid Valve

ASCO 8551A403-007 is an air-operated pneumatic spool valve from the ASCO 8551/8553 family, engineered for high-flow control of compressed air and inert gases in industrial automation. It is a 4-way, 2-position valve that uses pilot operation actuated by a 24 VDC solenoid, drawing about 6.9 watts. Four port connections measure 1/4 inch with female pipe thread (FPT) threads, enabling straightforward integration into standard pneumatic lines. The valve is designed to operate at pressures from 30 to 150 psi, providing reliable shifting of air lines for actuators, cylinders, or pneumatically controlled devices. Its direct-mount design supports compact installation in control panels or manifolds, making it suitable for applications such as automated manufacturing, packaging equipment, and material-handling systems where consistent, fast valve actuation is required.