The ROSS ® 15407-2 valves W66 Series are base mounted spool and sleeve valves that conform to the ISO standards 15407-2 mounting interface. Manifold bases feature modular plug-together electrical connections terminating at end plates, offering a variety of terminal strip or multi-pin interfaces. These ISO Size 0 (26mm) and 00 (18mm) valves are available as, 2- and 3-position, 5-ported 4-way valves. Solenoid pilot options include a locking or non locking override, and either internal or external pilot supply. The spool and sleeve design means there are no seals to wear out.