ELECTRO-PNEUM STEERING VALVE 4 WAY 1/2”, BASIC NAME VALVE NAME MODIFIER DIRECTIONAL ELECTRO-PNEUMATIC NUMBER OF WAYS 4 WAYS NUMBER OF POSITIONS 3 POSITIONS ALUMINUM BODY SEALING NITRILE RUBBER-NBR RETURN DOUBLE SOLENOID DIRECT ACTIVATION SUB-BASE ASSEMBLY INITIAL CONDITION CENTER CLOSED AUXILIARY ACTIVATION WITHOUT AUXILIARY ACTIVATION WITHOUT AUXILIARY ACTIVATION 4 CLASS PRESSURE MAXIMUM WORKING 10.0 BAR FREQUENCY 60 HZ NOMINAL VOLTAGE 110 VAC CONNECTION NPT ASME B1.20.1 CONNECTION DIAMETER 1/2” COMMERCIAL REFERENCE NUMATICS-554SS631K000030