Humphrey Balanced Valves feature precision pressure-balanced poppets in 3- and 4-port direct acting solenoid valve technology. More compact and greater flow than others, Balanced Valves work reliably, sealing tight regardless of pressure fluctuations or media conditions. The versatile, multi-purpose design is offered in 15mm (1/8 pipe), 19mm (1/4 pipe) and 25mm (3/8 pipe) sizes. Available inline, direct piping or manifold, subbase piping. IP67 models offer protection against moisture laden and dusty ambient environments. Made in USA. RoHS and REACH compliant.