4-WAY 3-STAGE 3-STEP HYDRAULIC DIRECTIONAL VALVE , VALVE MODIFIER NAME HYDRAULIC DIRECTIONAL NUMBER OF WAYS 4 WAYS NUMBER OF POSITIONS 3 POSITIONS NBR SPRING RETURN RETENTIONS WITHOUT RETENTIONS INTERNAL PILOT PRESSURE INTERNAL PILOT DRAIN CHECK VALVE WITHOUT CHECK VALVE EMERGENCY WITHOUT EMERGENCY MANUAL CHECK VALVE PRESSURE REDUCING VALVE WITHOUT PRESSURE REDUCING VALVE SWITCHING TIME WITHOUT ADJUSTMENT POSITION SPRING CENTERED POSITION NOMINAL SIZE 3 CONSTRUCTIVE FORM CLOSED CENTER MAXIMUM WORKING PRESSURE 255 KGF/CM2 COMMERCIAL REFERENCE YUKEN-DMG-03-3C2-50