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Pilot Operated Pressure Reducing Relieving Valves
*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 family of pilot operated acting reducing & relieving valves provide superior pressure control in applications where specific regulated and relief pressures are needed for precise operation on functions that require regulated pressures up to 380 bar (5500 psi) and flows up to 150 lpm (40 gpm). Parker's pilot operated acting reducing & relieving valves are designed with several pressure ranges in order to give a higher degree of control with a variety of adjustment style options available. The additional valve stability due to the pilot operation make these valves ideal for sensitive functions such as up or downforce, clamping, or braking applications on various types of machinery within the mobile and industrial markets.
Markets:
• Agriculture
• Construction Equipment
• Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile
Features/Benefits:
• Multiple pressure ranges available for more accurate pressure control
• Compact size for reduced space requirements
• Adjustable and tamperproof versions available
• High pressure capacity
• All external parts zinc plated
Applications:
• Brakes
• Clamps
• Suspension systems
• Up/down-force systems
Additional Technical Insight:
Typical applications are in mobile & industrial equipment, where a branch of the system is intended to operate at a lower setting than high system pressure. Hydraulic functions such as brake circuits, clamping or clutch circuits, suspension systems, street sweepers, or seeding and planting rows in agricultural equipment are common applications for these products.
Read More...Markets:
• Agriculture
• Construction Equipment
• Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile
Features/Benefits:
• Multiple pressure ranges available for more accurate pressure control
• Compact size for reduced space requirements
• Adjustable and tamperproof versions available
• High pressure capacity
• All external parts zinc plated
Applications:
• Brakes
• Clamps
• Suspension systems
• Up/down-force systems
Additional Technical Insight:
Typical applications are in mobile & industrial equipment, where a branch of the system is intended to operate at a lower setting than high system pressure. Hydraulic functions such as brake circuits, clamping or clutch circuits, suspension systems, street sweepers, or seeding and planting rows in agricultural equipment are common applications for these products.
| Action | SKU | Availability | Partner Available | Price | UOM | Adjustment Mechanism | Flow Rate | Mounting Type | Cracking Pressure | Seal Material | Pressure Control Range | Port Thread Size | Minimum Operating Temperature | Adjustment Mechanism | Cavity Size | Mounting Type | Pressure Control Range | Operating Temperature | Pressure Control Sensitivity | Flow Rate | Maximum Kinematic Viscosity | Function | Maximum Tank Pressure | Maximum Inlet Pressure Rating | Cracking Pressure | Maximum Flow Rate | Division | Maximum Drain Flow Rate | For Fluid Type | Valve Material | Seal Material | Maximum Operating Temperature | Leak Rate | Maximum Pressure Setting | Weight | Maximum Operating Pressure | Configuration | Actuation Type | Body Material | Filter Efficiency Rating | Installation Torque | Standard Setting Pressure | Division | Operation Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRH081K50 | Backordered | Backordered | $98.75/each | EA | Knob | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 200-5000 PSI, 13.8-350 BAR | N/A | -37 °C | Knob | C08-3 | Screw in cartridge valve | 200-5000 psi | -35 to +200 °F | 131.7 per turn bar | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 380 bar | N/A psi | 8 Gal/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +200 °F | N/A cc/min | 350 bar | 0.11 kg | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 32-36 lb-ft | 172 bar | Hydraulic Systems Division | Automatic | |
| PRH081S10 | Backordered | 4 in stock | $108.58/each | EA | Screw | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 100-1000 PSI, 6.9-69 BAR | N/A | -35 °F | Screw | C08-3 | Screw in cartridge valve | 100-1000 psi | -35 to +200 °F | 285 per turn psi | 8 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 5500 psi | N/A psi | 30 L/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +200 °F | N/A cc/min | 69 bar | 0.11 kg | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 43-49 Nm | 500 psi | Hydraulic Systems Division | Automatic | |
| PRH081S10V | Backordered | Backordered | $92.00/each | EA | Screw | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 100-1000 PSI, 6.9-69 BAR | N/A | -15 °F | Screw | C08-3 | Screw in cartridge valve | 100-1000 psi | -15 to +400 °F | 285 per turn psi | 8 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 5500 psi | N/A psi | 30 L/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +204 °C | N/A cc/min | 1000 psi | 0.25 lb | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 43-49 Nm | 34.5 bar | Hydraulic Systems Division | Automatic | |
| PRH081S30 | Backordered | Backordered | $83.52/each | EA | Screw | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 200-3000 PSI, 13.8-210 BAR | N/A | -37 °C | Screw | C08-3 | Screw in cartridge valve | 13.8-210 bar | -37 to +93 °C | 859 per turn psi | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 380 bar | N/A psi | 30 L/min | Hydraulic Cartridge Systems Division | 0.15 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 210 bar | 0.25 lb | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 32-36 lb-ft | 1500 psi | Hydraulic Systems Division | Automatic | |
| PRH081S30N | Backordered | Backordered | $92.00/each | EA | Screw | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | Nitrile | 200-3000 PSI, 13.8-210 BAR | N/A | -34 °C | Screw | C08-3 | Screw in cartridge valve | 200-3000 psi | -34 to +121 °C | 859 per turn psi | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 380 bar | N/A psi | 8 Gal/min | Hydraulic Cartridge Systems Division | 0.15 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Nitrile | +250 °F | N/A cc/min | 3000 psi | 0.11 kg | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 32-36 lb-ft | 1500 psi | Hydraulic Systems Division | Automatic | |
| PRH081S30V | Backordered | Backordered | $92.00/each | EA | Screw | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 200-3000 PSI, 13.8-210 BAR | N/A | -15 °F | Screw | C08-3 | Screw in cartridge valve | 13.8-210 bar | -15 to +400 °F | 859 per turn psi | 8 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 5500 psi | N/A psi | 30 L/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +400 °F | N/A cc/min | 210 bar | 0.11 kg | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 43-49 Nm | 103.5 bar | Hydraulic Systems Division | Automatic | |
| PRH081S50 | Backordered | 10 in stock | $108.58/each | EA | Screw | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 200-5000 PSI, 13.8-350 BAR | N/A | -35 °F | Screw | C08-3 | Screw in cartridge valve | 13.8-350 bar | -35 to +200 °F | 1910 per turn psi | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 5500 psi | N/A psi | 8 Gal/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +200 °F | N/A cc/min | 350 bar | 0.11 kg | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 32-36 lb-ft | 2500 psi | Hydraulic Systems Division | Automatic | |
| PRH081S50V | Backordered | Backordered | $92.00/each | EA | Screw | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 200-5000 PSI, 13.8-350 BAR | N/A | -26 °C | Screw | C08-3 | Screw in cartridge valve | 13.8-350 bar | -15 to +400 °F | 1910 per turn psi | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 380 bar | N/A psi | 8 Gal/min | Hydraulic Cartridge Systems Division | 0.15 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +204 °C | N/A cc/min | 5000 psi | 0.25 lb | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 43-49 Nm | 2500 psi | Hydraulic Systems Division | Automatic | |
| PRH081T10 | Backordered | Backordered | $98.09/each | EA | Tamper Resistant | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 100-1000 PSI, 6.9-69 BAR | N/A | -35 °F | Tamper Resistant | C08-3 | Screw in cartridge valve | 100-1000 psi | -35 to +200 °F | 285 per turn psi | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 5500 psi | N/A psi | 30 L/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 69 bar | 0.25 lb | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 43-49 Nm | 34.5 bar | Hydraulic Systems Division | Automatic | |
| PRH081T30 | Backordered | Backordered | $98.09/each | EA | Tamper Resistant | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 200-3000 PSI, 13.8-210 BAR | N/A | -37 °C | Tamper Resistant | C08-3 | Screw in cartridge valve | 200-3000 psi | -35 to +200 °F | 859 per turn psi | 8 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 380 bar | N/A psi | 30 L/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 3000 psi | 0.25 lb | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 32-36 lb-ft | 1500 psi | Hydraulic Systems Division | Automatic | |
| PRH081T30V | Backordered | Backordered | $103.31/each | EA | Tamper Resistant | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 200-3000 PSI, 13.8-210 BAR | N/A | -26 °C | Tamper Resistant | C08-3 | Screw in cartridge valve | 13.8-210 bar | -26 to +204 °C | 859 per turn psi | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 5500 psi | N/A psi | 8 Gal/min | Hydraulic Cartridge Systems Division | 0.15 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +204 °C | N/A cc/min | 210 bar | 0.11 kg | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 43-49 Nm | 1500 psi | Hydraulic Systems Division | Automatic | |
| PRH081T50 | Backordered | Backordered | $98.09/each | EA | Tamper Resistant | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 200-5000 PSI, 13.8-350 BAR | N/A | -37 °C | Tamper Resistant | C08-3 | Screw in cartridge valve | 13.8-350 bar | -35 to +200 °F | 131.7 per turn bar | 30 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 5500 psi | N/A psi | 8 Gal/min | Hydraulic Cartridge Systems Division | 0.15 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 5000 psi | 0.11 kg | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 32-36 lb-ft | 172 bar | Hydraulic Systems Division | Automatic | |
| PRH081T50V | Backordered | Backordered | $103.31/each | EA | Tamper Resistant | 8 GAL/MIN, 30 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 200-5000 PSI, 13.8-350 BAR | N/A | -15 °F | Tamper Resistant | C08-3 | Screw in cartridge valve | 200-5000 psi | -26 to +204 °C | 131.7 per turn bar | 8 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 5500 psi | N/A psi | 30 L/min | Hydraulic Cartridge Systems Division | 0.56 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +204 °C | N/A cc/min | 350 bar | 0.25 lb | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 43-49 Nm | 172 bar | Hydraulic Systems Division | Automatic | |
| PRH101K10 | Backordered | Backordered | $89.61/each | EA | Knob | 15 GAL/MIN, 56.3 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 200-1000 PSI, 13.7-69 BAR | N/A | -35 °F | Knob | C10-3 | Screw in cartridge valve | 13.7-69 bar | -37 to +93 °C | 285 per turn psi | 56.3 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 5500 psi | N/A psi | 15 Gal/min | Hydraulic Cartridge Systems Division | 0.94 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 1000 psi | 0.23 kg | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 69-75 Nm | 34.5 bar | Hydraulic Systems Division | Automatic | |
| PRH101K10V | Backordered | Backordered | $95.48/each | EA | Knob | 15 GAL/MIN, 56.3 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 200-1000 PSI, 13.7-69 BAR | N/A | -26 °C | Knob | C10-3 | Screw in cartridge valve | 13.7-69 bar | -15 to +400 °F | 19.6 per turn bar | 15 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 380 bar | N/A psi | 15 Gal/min | Hydraulic Cartridge Systems Division | 0.25 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +204 °C | N/A cc/min | 1000 psi | 0.5 lb | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 69-75 Nm | 500 psi | Hydraulic Systems Division | Automatic | |
| PRH101K30 | Backordered | Backordered | $89.61/each | EA | Knob | 15 GAL/MIN, 56.3 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 600-3000 PSI, 41.4-210 BAR | N/A | -35 °F | Knob | C10-3 | Screw in cartridge valve | 41.4-210 bar | -35 to +200 °F | 58.9 per turn bar | 56.3 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 380 bar | N/A psi | 56.3 L/min | Hydraulic Cartridge Systems Division | 0.94 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 3000 psi | 0.23 kg | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 51-55 lb-ft | 1500 psi | Hydraulic Systems Division | Automatic | |
| PRH101K30V | Backordered | Backordered | $95.48/each | EA | Knob | 15 GAL/MIN, 56.3 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 600-3000 PSI, 41.4-210 BAR | N/A | -15 °F | Knob | C10-3 | Screw in cartridge valve | 600-3000 psi | -26 to +204 °C | 859 per turn psi | 56.3 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 5000 psi | 380 bar | N/A psi | 15 Gal/min | Hydraulic Cartridge Systems Division | 0.94 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +400 °F | N/A cc/min | 210 bar | 0.23 kg | 350 bar | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 51-55 lb-ft | 103.5 bar | Hydraulic Systems Division | Automatic | |
| PRH101K50 | Backordered | Backordered | $89.61/each | EA | Knob | 15 GAL/MIN, 56.3 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 1200-5000 PSI, 82.8-350 BAR | N/A | -37 °C | Knob | C10-3 | Screw in cartridge valve | 82.8-350 bar | -37 to +93 °C | 1910 per turn psi | 56.3 L/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 380 bar | N/A psi | 56.3 L/min | Hydraulic Cartridge Systems Division | 0.25 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 5000 psi | 0.5 lb | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 69-75 Nm | 172 bar | Hydraulic Systems Division | Automatic | |
| PRH101K50V | Backordered | Backordered | $95.48/each | EA | Knob | 15 GAL/MIN, 56.3 L/MIN | Screw in cartridge valve | N/A | Fluorocarbon | 1200-5000 PSI, 82.8-350 BAR | N/A | -15 °F | Knob | C10-3 | Screw in cartridge valve | 82.8-350 bar | -26 to +204 °C | 131.7 per turn bar | 15 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 5500 psi | N/A psi | 56.3 L/min | Hydraulic Cartridge Systems Division | 0.94 L/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | Fluorocarbon | +204 °C | N/A cc/min | 350 bar | 0.5 lb | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 51-55 lb-ft | 2500 psi | Hydraulic Systems Division | Automatic | |
| PRH101S10 | 17 in stock | 19 in stock | $74.39/each | EA | Screw | 15 GAL/MIN, 56.3 L/MIN | Screw in cartridge valve | N/A | D-Ring (Standard) | 200-1000 PSI, 13.7-69 BAR | N/A | -35 °F | Screw | C10-3 | Screw in cartridge valve | 13.7-69 bar | -37 to +93 °C | 19.6 per turn bar | 15 Gal/min | 45-2000 SSU (6 to 420 cSt) | Pilot Operated | 350 bar | 5500 psi | N/A psi | 56.3 L/min | Hydraulic Cartridge Systems Division | 0.25 Gal/min | Mineral-based or synthetic hydraulic fluids | All parts steel. All operating parts hardened steel | D-Ring (Standard) | +93 °C | N/A cc/min | 69 bar | 0.5 lb | 5000 psi | Pressure Reducing/Relieving | Pressure Sensing | N/A | ISO 4406 18/16/13, SAE Class 4 | 51-55 lb-ft | 500 psi | Hydraulic Systems Division | Automatic |