ASCO series 551, 552, 553 solenoid spool valves have threaded port connections and a NAMUR interface. The same spool valves can be adapted for 3/2 NC or 5/2 functions for controlling double acting and single acting actuators. The valves have a environmental protected constructions, this helps to protect against the ingress of liquids, dusts or other foreign matter. The solenoid valves satisfy all relevant EC Directives.
