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Parker PR Series Reducing/Relieving Sandwich Valve, Pilot Operated
Parker’s PR series pilot operated pressure reducing/relieving valves are used to regulate pressure in one area of a circuit at a set pressure below the normal system pressure.
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Parker’s PR series pilot operated pressure reducing/relieving valves have an integral relieving function which limits the secondary circuit pressure. Options are A port control, B port control and P port control. The A & B valves feature a reverse flow check.
Markets:
• Factory Automation
• Lumber & Wood
• Machine Tools
• Material Handling
• Miscellaneous Industrial
• Miscellaneous Manufacturing
• Miscellaneous Processing
• Molding
• Packaging Machinery
• Plastic Processing
• Primary Metal Refining Process
• Rubber & Tire Processing
• Vehicle Assembly Facilities
Benefits:
• Available in 4 port sizes
• High flow capacity
• With integral return flow check valve on A & B port models
Applications:
• Suitable for general hydraulic applications
Technical Specifications
| Maximum Operating Temperature | +122 °F |
| Maximum Flow Rate | 10, 20, 80 Gal/min |
| Minimum Operating Temperature | -4 °F |
| Actuation Type | Hydraulic Pressure |
| Body Material | Aluminum, Ductile Iron |
| Seal Material | Nitrile |
| Product Style | Pilot Operated Pressure Reducing/Relieving |
| Maximum Operating Pressure | 3000, 5000 psi, 207, 345 bar |
| Filter Efficiency Rating | ISO 4406 (1999); 18/16/13 (meet NAS 1638/7) |
| Media | Oil |
| Mounting Type | Subplate |
| Weight | 3.1, 6.2, 2.1, 4.4, 6.4, 12.9, 12.6, 8.5, 17.1, 10.8, 10.4, 24.7, 11.6, 25.7 lb, 1.4, 2.8, 0.9, 2, 2.9, 5.8, 3.9, 7.8, 4.9, 9.2, 11.2, 5.3, 11.7 kg |
Parker PR Series Reducing/Relieving Sandwich Valve, Pilot Operated Service Manual
Parker PR Series Reducing/Relieving Sandwich Valve, Pilot Operated Service Manual
