4 WAY 1/2′ ELECTROPNEUMATIC DIRECTIONAL VALVE , BASIC NAME VALVE MODIFIER NAME ELECTRO-PNEUMATIC DIRECTIONAL NUMBER OF WAYS 4 WAYS NUMBER OF POSITIONS 2 POSITIONS ALUMINUM BODY SEAL NITRILE RUBBER NBR RETURN SPRING DIRECT ACTING INDIVIDUAL MOUNTING INITIAL CONDITION NORMALLY OPEN AUXILIARY ACTUATION WITHOUT AUXILIARY ACTUATION IP-65 CLASSIFICATION MAXIMUM WORKING PRESSURE 10,0 BAR FREQUENCY 50/60 HZ NOMINAL VOLTAGE 110/120 VCA NPTF CONNECTION ASME B1.20.1 CONNECTION DIAMETER 1/2′ TRADE REFERENCE NUMATICS-554SA400K011B30