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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.
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ActionPart No.AvailabilityPartner AvailablePriceUOMSeal MaterialBody MaterialMinimum Operating TemperatureMaximum Operating PressureDivisionDivisionFlow RateMaximum Flow RateMaximum Kinematic ViscosityWeightActuation TypeOperation TypeFunctionLeak RateMaximum Tank PressurePressure Control SensitivityPort Thread SizeCracking PressureCavity SizeConfigurationAdjustment MechanismMaximum Inlet Pressure RatingFor Fluid TypeValve MaterialFilter Efficiency RatingOperating TemperatureMaximum Operating TemperatureMounting TypeInstallation TorqueStandard Setting PressureMaximum Drain Flow RatePressure Control RangeMaximum Pressure SettingSeal MaterialMounting TypeCracking PressureAdjustment MechanismFlow RatePressure Control Range
PRH101F20N
Quote Required
TBD
Nitrilen/a-305000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250+250Screw in cartridge valve51-5510000.25400-20002000NitrileScrew in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN400-2000 PSI, 27-138 BAR
PRH101F20V
Quote Required
TBD
Fluorocarbonn/a-155000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-15 to +400+400Screw in cartridge valve51-5510000.25400-20002000FluorocarbonScrew in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN400-2000 PSI, 27-138 BAR
PRH101F30
Quote Required
TBD
D-Ring (Standard)n/a-355000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-35 to +200+200Screw in cartridge valve51-5515000.25600-30003000D-Ring (Standard)Screw in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN600-3000 PSI, 41.4-210 BAR
PRH101F30N
Quote Required
TBD
Nitrilen/a-305000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250+250Screw in cartridge valve51-5515000.25600-30003000NitrileScrew in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN600-3000 PSI, 41.4-210 BAR
PRH101F30V
Quote Required
TBD
Fluorocarbonn/a-155000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-15 to +400+400Screw in cartridge valve51-5515000.25600-30003000FluorocarbonScrew in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN600-3000 PSI, 41.4-210 BAR
PRH101F50
Quote Required
TBD
D-Ring (Standard)n/a-355000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-35 to +200+200Screw in cartridge valve51-5525000.251200-50005000D-Ring (Standard)Screw in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN1200-5000 PSI, 82.8-350 BAR
PRH101F50N
Quote Required
TBD
Nitrilen/a-305000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250+250Screw in cartridge valve51-5525000.251200-50005000NitrileScrew in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN1200-5000 PSI, 82.8-350 BAR
PRH101F50V
Quote Required
TBD
Fluorocarbonn/a-155000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000n/an/an/aC10-3Pressure Reducing/RelievingFixed5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-15 to +400+400Screw in cartridge valve51-5525000.251200-50005000FluorocarbonScrew in cartridge valveN/AFixed15 GAL/MIN, 56.3 L/MIN1200-5000 PSI, 82.8-350 BAR
PRH101K03
Quote Required
TBD
D-Ring (Standard)n/a-355000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000285 per turnn/an/aC10-3Pressure Reducing/RelievingKnob5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-35 to +200+200Screw in cartridge valve51-552500.25100-500500D-Ring (Standard)Screw in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN100-500 PSI, 6.9-34.5 BAR
PRH101K03N
Quote Required
TBD
Nitrilen/a-305000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000285 per turnn/an/aC10-3Pressure Reducing/RelievingKnob5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250+250Screw in cartridge valve51-552500.25100-500500NitrileScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN100-500 PSI, 6.9-34.5 BAR
PRH101K03V
Quote Required
TBD
Fluorocarbonn/a-155000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000285 per turnn/an/aC10-3Pressure Reducing/RelievingKnob5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-15 to +400+400Screw in cartridge valve51-552500.25100-500500FluorocarbonScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN100-500 PSI, 6.9-34.5 BAR
PRH101K10
Quote Required
4 In Stock
$75.75
EAD-Ring (Standard)n/a-35 °F350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division56.3 L/min15 Gal/min45-2000 SSU (6 to 420 cSt)0.23 kgPressure SensingAutomaticPilot OperatedN/A cc/min5000 psi285 per turn psin/aN/A psiC10-3Pressure Reducing/RelievingKnob5500 psiMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-37 to +93 °C+93 °CScrew in cartridge valve69-75 Nm34.5 bar0.94 L/min13.7-69 bar1000 psiD-Ring (Standard)Screw in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN200-1000 PSI, 13.7-69 BAR
PRH101K10N
Quote Required
TBD
Nitrilen/a-305000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000285 per turnn/an/aC10-3Pressure Reducing/RelievingKnob5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250+250Screw in cartridge valve51-555000.25200-10001000NitrileScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN200-1000 PSI, 13.7-69 BAR
PRH101K10V
Quote Required
TBD
Fluorocarbonn/a-26 °C350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division15 Gal/min15 Gal/min45-2000 SSU (6 to 420 cSt)0.5 lbPressure SensingAutomaticPilot OperatedN/A cc/min5000 psi19.6 per turn barn/aN/A psiC10-3Pressure Reducing/RelievingKnob380 barMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-15 to +400 °F+204 °CScrew in cartridge valve69-75 Nm500 psi0.25 Gal/min13.7-69 bar1000 psiFluorocarbonScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN200-1000 PSI, 13.7-69 BAR
PRH101K20
Quote Required
$40.27
EAD-Ring (Standard)n/a-355000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000570 per turnn/an/aC10-3Pressure Reducing/RelievingKnob5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-35 to +200+200Screw in cartridge valve51-5510000.25400-20002000D-Ring (Standard)Screw in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN400-2000 PSI, 27-138 BAR
PRH101K20N
Quote Required
TBD
Nitrilen/a-305000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000570 per turnn/an/aC10-3Pressure Reducing/RelievingKnob5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250+250Screw in cartridge valve51-5510000.25400-20002000NitrileScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN400-2000 PSI, 27-138 BAR
PRH101K20V
Quote Required
TBD
Fluorocarbonn/a-155000Hydraulic Valve Systems DivisionHydraulic Systems Division151545-2000 SSU (6 to 420 cSt)0.5Pressure SensingAutomaticPilot Operatedn/a5000570 per turnn/an/aC10-3Pressure Reducing/RelievingKnob5500Mineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-15 to +400+400Screw in cartridge valve51-5510000.25400-20002000FluorocarbonScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN400-2000 PSI, 27-138 BAR
PRH101K30
Quote Required
TBD
D-Ring (Standard)n/a-35 °F350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division56.3 L/min56.3 L/min45-2000 SSU (6 to 420 cSt)0.23 kgPressure SensingAutomaticPilot OperatedN/A cc/min350 bar58.9 per turn barn/aN/A psiC10-3Pressure Reducing/RelievingKnob380 barMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-35 to +200 °F+93 °CScrew in cartridge valve51-55 lb-ft1500 psi0.94 L/min41.4-210 bar3000 psiD-Ring (Standard)Screw in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN600-3000 PSI, 41.4-210 BAR
PRH101K30N
Quote Required
TBD
Nitrilen/a-30 °F5000 psiHydraulic Cartridge Systems DivisionHydraulic Systems Division56.3 L/min56.3 L/min45-2000 SSU (6 to 420 cSt)0.5 lbPressure SensingAutomaticPilot OperatedN/A cc/min5000 psi58.9 per turn barn/aN/A psiC10-3Pressure Reducing/RelievingKnob5500 psiMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-34 to +121 °C+250 °FScrew in cartridge valve51-55 lb-ft1500 psi0.25 Gal/min600-3000 psi210 barNitrileScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN600-3000 PSI, 41.4-210 BAR
PRH101K30V
Quote Required
TBD
Fluorocarbonn/a-15 °F350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division56.3 L/min15 Gal/min45-2000 SSU (6 to 420 cSt)0.23 kgPressure SensingAutomaticPilot OperatedN/A cc/min5000 psi859 per turn psin/aN/A psiC10-3Pressure Reducing/RelievingKnob380 barMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-26 to +204 °C+400 °FScrew in cartridge valve51-55 lb-ft103.5 bar0.94 L/min600-3000 psi210 barFluorocarbonScrew in cartridge valveN/AKnob15 GAL/MIN, 56.3 L/MIN600-3000 PSI, 41.4-210 BAR