Air Operated Directional Control Valve - D31DA, D31VA Series

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker’s D31*A directional control valves are suitable for manifold or subplate mounting. These valves conform to NFPA’s D03, CETOP 3 mounting patterns.

Markets:
• Entertainment Automation
• Factory Automation
• Lumber & Wood
• Machine Tools
• Marine
• Material Handling
• Miscellaneous Industrial
• Miscellaneous Manufacturing
• Miscellaneous Processing
• Molding
• Oil & Gas
• Other Natural Resources
• Packaging Machinery
• Plastic Packaging
• Power Generation
• Primary Metal Refining/Process
• Printing and Marking Equipment
• Rubber & Tire Processing
• Vehicle Assembly Facilities

Features/Benefits:
• Mounting bolts below center line of spool minimizes spool binding
• Five chamber style eliminates pressure spikes in tubes, increasing valve life
• High pressure & flow ratings provide increased performance options in a compact valve

Applications:
• Suitable for general hydraulic applications

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Part No.	Availability	Partner Available	Price	Actuation Type	Options	Size	Spool Position	Maximum Operating Temperature	Maximum Operating Pressure	Spool Code	Mounting Type	Division	Body Material	Pilot Inlet / Drain Locations	Maximum Flow Rate	Minimum Operating Temperature	Valve Type	Seal Material	Weight	Mounting Type	Maximum Flow Rate	Size	Maximum Operating Pressure
D31VA020D2N90	Quote Required	Quote Required	TBD	Hydraulic Pressure	1/4 BSPP Threads	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Nitrile	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D2V	Quote Required	Quote Required	TBD	Hydraulic Pressure	n/a	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D2V60	Quote Required	Quote Required	TBD	Hydraulic Pressure	Pilot Choke Meter-in	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D2V7	Quote Required	Quote Required	TBD	Hydraulic Pressure	Pilot Choke Meter-out	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D2V8	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust B End	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D2V89	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust A and B Ends	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D2V9	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust A End	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D2V90	Quote Required	Quote Required	TBD	Hydraulic Pressure	1/4 BSPP Threads	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	External Pilot / External Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4N	Quote Required	Quote Required	TBD	Hydraulic Pressure	n/a	CETOP 5	Double Operator	140 °F	345 bar	Closed Crossover	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40 Gal/min	-4 °F	Air Operated Directional Control Valve	Nitrile	12.7 lb	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4N60	Quote Required	Quote Required	TBD	Hydraulic Pressure	Pilot Choke Meter-in	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Nitrile	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4N7	Quote Required	Quote Required	TBD	Hydraulic Pressure	Pilot Choke Meter-out	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Nitrile	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4N8	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust B End	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Nitrile	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4N89	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust A and B Ends	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Nitrile	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4N9	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust A End	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Nitrile	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4N90	Quote Required	Quote Required	TBD	Hydraulic Pressure	1/4 BSPP Threads	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Nitrile	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4V	Quote Required	Quote Required	TBD	Hydraulic Pressure	n/a	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4V60	Quote Required	Quote Required	TBD	Hydraulic Pressure	Pilot Choke Meter-in	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4V7	Quote Required	Quote Required	TBD	Hydraulic Pressure	Pilot Choke Meter-out	NFPA D05H	Detent	140 °F	5000 psi	2-Position	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40 Gal/min	-4 °F	Air Operated Directional Control Valve	Fluorocarbon	12.7 lb	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4V8	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust B End	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI
D31VA020D4V89	Quote Required	Quote Required	TBD	Hydraulic Pressure	Stroke Adjust A and B Ends	NFPA D05H	Double Operator	140	5000	4-Way	Subplate	Hydraulic Valve Systems Division	Gray Iron	Internal Pilot / Internal Drain	40	-4	Air Operated Directional Control Valve	Fluorocarbon	12.7	Subplate	Up to 40 GPM depending on spool	NFPA D05H, CETOP 5	5000 PSI