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Parker D31DA, D31VA Series Air Operated Directional Control Valve
Parker’s D31*A directional control valves are 5-chamber, air pilot operated valves.
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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
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
Technical Specifications
| Maximum Operating Temperature | +140 °F |
| Maximum Flow Rate | Up to 40 depending on spool Gal/min |
| Minimum Operating Temperature | -4 °F |
| Actuation Type | Hydraulic Pressure |
| Body Material | Grey Iron |
| Seal Material | Nitrile, Fluorocarbon |
| Valve Type | Air Operated Directional Control Valve |
| Maximum Operating Pressure | 5000 psi, 345 bar |
| Mounting Type | Subplate |
| Weight | 12 lb, 5.7, 5.4 kg |
Parker D31DA, D31VA Series Air Operated Directional Control Valve Service Manual
Parker D31DA, D31VA Series Air Operated Directional Control Valve Service Manual
