• Availability & Price
  • Search SKU
Filter by attributes
  • Adjustment Mechanism
  • Cracking Pressure
  • Flow Rate
  • Mounting Type
  • Pressure Control Range
  • Seal Material
More Filters...
Filter by manufacturer
Manufacturers

Pilot Operated Pressure Reducing Relieving Valves

Picture for category 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...
View as Grid List
Sort by
Display per page
ActionPart No.AvailabilityPartner AvailablePriceSeal MaterialBody MaterialDivisionDivisionMaximum Kinematic ViscosityMinimum Operating TemperatureMaximum Operating PressureFlow RateMaximum Flow RateActuation TypeOperation TypeAdjustment MechanismFunctionMaximum Tank PressureMaximum Pressure SettingPort Thread SizeWeightCavity SizeConfigurationMaximum Inlet Pressure RatingInstallation TorqueMaximum Operating TemperatureFor Fluid TypeValve MaterialOperating TemperatureFilter Efficiency RatingMounting TypeLeak RateStandard Setting PressurePressure Control SensitivityCracking PressurePressure Control RangeMaximum Drain Flow RateSeal MaterialAdjustment MechanismFlow RateMounting TypeCracking PressurePressure Control Range
PRH081S50V
Quote Required
TBD
Fluorocarbonn/aHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-26 °C350 bar30 L/min8 Gal/minPressure SensingAutomaticScrewPilot Operated5000 psi5000 psin/a0.25 lbC08-3Pressure Reducing/Relieving380 bar43-49 Nm+204 °CMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-15 to +400 °FISO 4406 18/16/13, SAE Class 4Screw in cartridge valveN/A cc/min2500 psi1910 per turn psiN/A psi13.8-350 bar0.15 Gal/minFluorocarbonScrew8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A200-5000 PSI, 13.8-350 BAR
PRH081T10
Quote Required
TBD
D-Ring (Standard)n/aHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-35 °F5000 psi30 L/min30 L/minPressure SensingAutomaticTamper ResistantPilot Operated350 bar69 barn/a0.25 lbC08-3Pressure Reducing/Relieving5500 psi43-49 Nm+93 °CMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-35 to +200 °FISO 4406 18/16/13, SAE Class 4Screw in cartridge valveN/A cc/min34.5 bar285 per turn psiN/A psi100-1000 psi0.56 L/minD-Ring (Standard)Tamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A100-1000 PSI, 6.9-69 BAR
PRH081T10N
Quote Required
TBD
Nitrilen/aHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-34 °C350 bar30 L/min8 Gal/minPressure SensingAutomaticTamper ResistantPilot Operated5000 psi69 barn/a0.25 lbC08-3Pressure Reducing/Relieving380 bar43-49 Nm+121 °CMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-34 to +121 °CISO 4406 18/16/13, SAE Class 4Screw in cartridge valveN/A cc/min34.5 bar285 per turn psiN/A psi100-1000 psi0.56 L/minNitrileTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A100-1000 PSI, 6.9-69 BAR
PRH081T10V
Quote Required
TBD
Fluorocarbonn/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15500088Pressure SensingAutomaticTamper ResistantPilot Operated50001000n/a0.25C08-3Pressure Reducing/Relieving550032-36+400Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-15 to +400ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a500285 per turnn/a100-10000.15FluorocarbonTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A100-1000 PSI, 6.9-69 BAR
PRH081T20
Quote Required
TBD
D-Ring (Standard)n/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-35500088Pressure SensingAutomaticTamper ResistantPilot Operated50002000n/a0.25C08-3Pressure Reducing/Relieving550032-36+200Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-35 to +200ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a1000570 per turnn/a100-20000.15D-Ring (Standard)Tamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A100-2000 PSI, 6.9-138 BAR
PRH081T20N
Quote Required
TBD
Nitrilen/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-30500088Pressure SensingAutomaticTamper ResistantPilot Operated50002000n/a0.25C08-3Pressure Reducing/Relieving550032-36+250Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-30 to +250ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a1000570 per turnn/a100-20000.15NitrileTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A100-2000 PSI, 6.9-138 BAR
PRH081T20V
Quote Required
TBD
Fluorocarbonn/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15500088Pressure SensingAutomaticTamper ResistantPilot Operated50002000n/a0.25C08-3Pressure Reducing/Relieving550032-36+400Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-15 to +400ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a1000570 per turnn/a100-20000.15FluorocarbonTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A100-2000 PSI, 6.9-138 BAR
PRH081T30
Quote Required
TBD
D-Ring (Standard)n/aHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-37 °C5000 psi8 Gal/min30 L/minPressure SensingAutomaticTamper ResistantPilot Operated5000 psi3000 psin/a0.25 lbC08-3Pressure Reducing/Relieving380 bar32-36 lb-ft+93 °CMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-35 to +200 °FISO 4406 18/16/13, SAE Class 4Screw in cartridge valveN/A cc/min1500 psi859 per turn psiN/A psi200-3000 psi0.56 L/minD-Ring (Standard)Tamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A200-3000 PSI, 13.8-210 BAR
PRH081T30N
Quote Required
TBD
Nitrilen/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-30500088Pressure SensingAutomaticTamper ResistantPilot Operated50003000n/a0.25C08-3Pressure Reducing/Relieving550032-36+250Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-30 to +250ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a1500859 per turnn/a200-30000.15NitrileTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A200-3000 PSI, 13.8-210 BAR
PRH081T30V
Quote Required
TBD
Fluorocarbonn/aHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-26 °C350 bar30 L/min8 Gal/minPressure SensingAutomaticTamper ResistantPilot Operated350 bar210 barn/a0.11 kgC08-3Pressure Reducing/Relieving5500 psi43-49 Nm+204 °CMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-26 to +204 °CISO 4406 18/16/13, SAE Class 4Screw in cartridge valveN/A cc/min1500 psi859 per turn psiN/A psi13.8-210 bar0.15 Gal/minFluorocarbonTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A200-3000 PSI, 13.8-210 BAR
PRH081T50
Quote Required
TBD
D-Ring (Standard)n/aHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-37 °C350 bar30 L/min8 Gal/minPressure SensingAutomaticTamper ResistantPilot Operated5000 psi5000 psin/a0.11 kgC08-3Pressure Reducing/Relieving5500 psi32-36 lb-ft+93 °CMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-35 to +200 °FISO 4406 18/16/13, SAE Class 4Screw in cartridge valveN/A cc/min172 bar131.7 per turn barN/A psi13.8-350 bar0.15 Gal/minD-Ring (Standard)Tamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A200-5000 PSI, 13.8-350 BAR
PRH081T50N
Quote Required
TBD
Nitrilen/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-30500088Pressure SensingAutomaticTamper ResistantPilot Operated50005000n/a0.25C08-3Pressure Reducing/Relieving550032-36+250Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-30 to +250ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a25001910 per turnn/a200-50000.15NitrileTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A200-5000 PSI, 13.8-350 BAR
PRH081T50V
Quote Required
TBD
Fluorocarbonn/aHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15 °F350 bar8 Gal/min30 L/minPressure SensingAutomaticTamper ResistantPilot Operated5000 psi350 barn/a0.25 lbC08-3Pressure Reducing/Relieving5500 psi43-49 Nm+204 °CMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-26 to +204 °CISO 4406 18/16/13, SAE Class 4Screw in cartridge valveN/A cc/min172 bar131.7 per turn barN/A psi200-5000 psi0.56 L/minFluorocarbonTamper Resistant8 GAL/MIN, 30 L/MINScrew in cartridge valveN/A200-5000 PSI, 13.8-350 BAR
PRH101F03
Quote Required
TBD
D-Ring (Standard)n/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-3550001515Pressure SensingAutomaticFixedPilot Operated5000500n/a0.5C10-3Pressure Reducing/Relieving550051-55+200Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-35 to +200ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a250n/an/a100-5000.25D-Ring (Standard)Fixed15 GAL/MIN, 56.3 L/MINScrew in cartridge valveN/A100-500 PSI, 6.9-34.5 BAR
PRH101F03N
Quote Required
TBD
Nitrilen/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-3050001515Pressure SensingAutomaticFixedPilot Operated5000500n/a0.5C10-3Pressure Reducing/Relieving550051-55+250Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-30 to +250ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a250n/an/a100-5000.25NitrileFixed15 GAL/MIN, 56.3 L/MINScrew in cartridge valveN/A100-500 PSI, 6.9-34.5 BAR
PRH101F03V
Quote Required
TBD
Fluorocarbonn/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-1550001515Pressure SensingAutomaticFixedPilot Operated5000500n/a0.5C10-3Pressure Reducing/Relieving550051-55+400Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-15 to +400ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a250n/an/a100-5000.25FluorocarbonFixed15 GAL/MIN, 56.3 L/MINScrew in cartridge valveN/A100-500 PSI, 6.9-34.5 BAR
PRH101F10
Quote Required
TBD
D-Ring (Standard)n/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-3550001515Pressure SensingAutomaticFixedPilot Operated50001000n/a0.5C10-3Pressure Reducing/Relieving550051-55+200Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-35 to +200ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a500n/an/a200-10000.25D-Ring (Standard)Fixed15 GAL/MIN, 56.3 L/MINScrew in cartridge valveN/A200-1000 PSI, 13.7-69 BAR
PRH101F10N
Quote Required
TBD
Nitrilen/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-3050001515Pressure SensingAutomaticFixedPilot Operated50001000n/a0.5C10-3Pressure Reducing/Relieving550051-55+250Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-30 to +250ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a500n/an/a200-10000.25NitrileFixed15 GAL/MIN, 56.3 L/MINScrew in cartridge valveN/A200-1000 PSI, 13.7-69 BAR
PRH101F10V
Quote Required
TBD
Fluorocarbonn/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-1550001515Pressure SensingAutomaticFixedPilot Operated50001000n/a0.5C10-3Pressure Reducing/Relieving550051-55+400Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-15 to +400ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a500n/an/a200-10000.25FluorocarbonFixed15 GAL/MIN, 56.3 L/MINScrew in cartridge valveN/A200-1000 PSI, 13.7-69 BAR
PRH101F20
Quote Required
TBD
D-Ring (Standard)n/aHydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-3550001515Pressure SensingAutomaticFixedPilot Operated50002000n/a0.5C10-3Pressure Reducing/Relieving550051-55+200Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steel-35 to +200ISO 4406 18/16/13, SAE Class 4Screw in cartridge valven/a1000n/an/a400-20000.25D-Ring (Standard)Fixed15 GAL/MIN, 56.3 L/MINScrew in cartridge valveN/A400-2000 PSI, 27-138 BAR