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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 MaterialMaximum Operating PressureDivisionDivisionMaximum Kinematic ViscosityMinimum Operating TemperatureMaximum Flow RateWeightFlow RateActuation TypeOperation TypeAdjustment MechanismFunctionMaximum Tank PressureMaximum Pressure SettingPort Thread SizeCracking PressureCavity SizeConfigurationMaximum Inlet Pressure RatingFor Fluid TypeValve MaterialFilter Efficiency RatingOperating TemperatureMaximum Operating TemperatureMounting TypeStandard Setting PressurePressure Control SensitivityInstallation TorquePressure Control RangeMaximum Drain Flow RateLeak RateSeal MaterialAdjustment MechanismMounting TypeCracking PressureFlow RatePressure Control Range
PRH161K50V
Quote Required
TBD
Fluorocarbonn/a5000Hydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15400.7540Pressure SensingAutomaticKnobPilot Operated50005000n/an/aC16-3Pressure Reducing/Relieving5500Mineral-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 valve25001910 per turn121-125500-50000.55 per 100 PSI (6.9 BAR) settingFluorocarbonKnobScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN500-5000 PSI, 34.5-350 BAR
PRH161S10
Quote Required
$129.38
EANitrilen/a5000 psiHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-34 °C40 Gal/min0.75 lb151.4 L/minPressure SensingAutomaticScrewPilot Operated5000 psi1000 psin/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250 °F+250 °FScrew in cartridge valve34.5 bar19.6 per turn bar121-125 lb-ft6.9-69 bar0.5 Gal/min5 per 100 PSI (6.9 BAR) setting cc/minNitrileScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN100-1000 PSI, 6.9-69 BAR
PRH161S10V
Quote Required
TBD
Fluorocarbonn/a350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-26 °C40 Gal/min0.75 lb40 Gal/minPressure SensingAutomaticScrewPilot Operated5000 psi69 barn/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-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 valve500 psi285 per turn psi164-170 Nm6.9-69 bar0.5 Gal/min5 per 100 PSI (6.9 BAR) setting cc/minFluorocarbonScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN100-1000 PSI, 6.9-69 BAR
PRH161S20
Quote Required
TBD
Nitrilen/a5000 psiHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-34 °C40 Gal/min0.75 lb151.4 L/minPressure SensingAutomaticScrewPilot Operated5000 psi138 barn/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-34 to +121 °C+93 °CScrew in cartridge valve1000 psi37 per turn bar121-125 lb-ft13.8-138 bar1.9 L/min5 per 100 PSI (6.9 BAR) setting cc/minNitrileScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN200-2000 PSI, 13.8-138 BAR
PRH161S20V
Quote Required
TBD
Fluorocarbonn/a5000Hydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15400.7540Pressure SensingAutomaticScrewPilot Operated50002000n/an/aC16-3Pressure Reducing/Relieving5500Mineral-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 valve1000539 per turn121-125200-20000.55 per 100 PSI (6.9 BAR) settingFluorocarbonScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN200-2000 PSI, 13.8-138 BAR
PRH161S30
Quote Required
$129.38
EANitrilen/a5000 psiHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-34 °C40 Gal/min0.75 lb151.4 L/minPressure SensingAutomaticScrewPilot Operated5000 psi210 barn/aN/A psiC16-3Pressure Reducing/Relieving5500 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 valve1500 psi58.9 per turn bar121-125 lb-ft20.7-210 bar1.9 L/min5 per 100 PSI (6.9 BAR) setting cc/minNitrileScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN300-3000 PSI, 20.7-210 BAR
PRH161S30V
Quote Required
TBD
Fluorocarbonn/a5000 psiHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-26 °C40 Gal/min0.75 lb151.4 L/minPressure SensingAutomaticScrewPilot Operated5000 psi210 barn/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-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 valve1500 psi58.9 per turn bar164-170 Nm20.7-210 bar0.5 Gal/minFluorocarbonScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN300-3000 PSI, 20.7-210 BAR
PRH161S50
Quote Required
TBD
Nitrilen/a350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-30 °F40 Gal/min0.75 lb151.4 L/minPressure SensingAutomaticScrewPilot Operated350 bar5000 psin/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250 °F+93 °CScrew in cartridge valve172 bar1910 per turn psi164-170 Nm500-5000 psi0.5 Gal/min5 per 100 PSI (6.9 BAR) setting cc/minNitrileScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN500-5000 PSI, 34.5-350 BAR
PRH161S50V
Quote Required
TBD
Fluorocarbonn/a5000 psiHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-26 °C40 Gal/min0.75 lb40 Gal/minPressure SensingAutomaticScrewPilot Operated5000 psi350 barn/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-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 valve2500 psi131.7 per turn bar121-125 lb-ft34.5-350 bar0.5 Gal/min5 per 100 PSI (6.9 BAR) setting cc/minFluorocarbonScrewScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN500-5000 PSI, 34.5-350 BAR
PRH161T10
Quote Required
TBD
Nitrilen/a5000 psiHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-34 °C40 Gal/min0.75 lb151.4 L/minPressure SensingAutomaticTamper ResistantPilot Operated5000 psi69 barn/aN/A psiC16-3Pressure Reducing/Relieving380 barMineral-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 valve500 psi19.6 per turn bar121-125 lb-ft100-1000 psi1.9 L/min5 per 100 PSI (6.9 BAR) setting cc/minNitrileTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN100-1000 PSI, 6.9-69 BAR
PRH161T10V
Quote Required
TBD
Fluorocarbonn/a350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15 °F151.4 L/min0.34 kg40 Gal/minPressure SensingAutomaticTamper ResistantPilot Operated350 bar1000 psin/aN/A psiC16-3Pressure Reducing/Relieving380 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 valve34.5 bar285 per turn psi164-170 Nm100-1000 psi1.9 L/min5 per 100 PSI (6.9 BAR) setting cc/minFluorocarbonTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN100-1000 PSI, 6.9-69 BAR
PRH161T20
Quote Required
TBD
Nitrilen/a350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-30 °F151.4 L/min0.34 kg40 Gal/minPressure SensingAutomaticTamper ResistantPilot Operated5000 psi2000 psin/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250 °F+93 °CScrew in cartridge valve69 bar539 per turn psi164-170 Nm13.8-138 bar0.5 Gal/min5 per 100 PSI (6.9 BAR) setting cc/minNitrileTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN200-2000 PSI, 13.8-138 BAR
PRH161T20V
Quote Required
TBD
Fluorocarbonn/a5000Hydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15400.7540Pressure SensingAutomaticTamper ResistantPilot Operated50002000n/an/aC16-3Pressure Reducing/Relieving5500Mineral-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 valve1000539 per turn121-125200-20000.55 per 100 PSI (6.9 BAR) settingFluorocarbonTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN200-2000 PSI, 13.8-138 BAR
PRH161T30
Quote Required
TBD
Nitrilen/a350 barHydraulic Cartridge Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-30 °F151.4 L/min0.34 kg40 Gal/minPressure SensingAutomaticTamper ResistantPilot Operated5000 psi3000 psin/aN/A psiC16-3Pressure Reducing/Relieving5500 psiMineral-based or synthetic hydraulic fluidsAll parts steel. All operating parts hardened steelISO 4406 18/16/13, SAE Class 4-30 to +250 °F+93 °CScrew in cartridge valve103.5 bar859 per turn psi164-170 Nm300-3000 psi0.5 Gal/min5 per 100 PSI (6.9 BAR) setting cc/minNitrileTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN300-3000 PSI, 20.7-210 BAR
PRH161T30V
Quote Required
TBD
Fluorocarbonn/a5000Hydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15400.7540Pressure SensingAutomaticTamper ResistantPilot Operated50003000n/an/aC16-3Pressure Reducing/Relieving5500Mineral-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 valve1500859 per turn121-125300-30000.5FluorocarbonTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN300-3000 PSI, 20.7-210 BAR
PRH161T50
Quote Required
TBD
Nitrilen/a5000Hydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-30400.7540Pressure SensingAutomaticTamper ResistantPilot Operated50005000n/an/aC16-3Pressure Reducing/Relieving5500Mineral-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 valve25001910 per turn121-125500-50000.55 per 100 PSI (6.9 BAR) settingNitrileTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN500-5000 PSI, 34.5-350 BAR
PRH161T50V
Quote Required
TBD
Fluorocarbonn/a5000Hydraulic Valve Systems DivisionHydraulic Systems Division45-2000 SSU (6 to 420 cSt)-15400.7540Pressure SensingAutomaticTamper ResistantPilot Operated50005000n/an/aC16-3Pressure Reducing/Relieving5500Mineral-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 valve25001910 per turn121-125500-50000.55 per 100 PSI (6.9 BAR) settingFluorocarbonTamper ResistantScrew in cartridge valveN/A40 GAL/MIN, 151.4 L/MIN500-5000 PSI, 34.5-350 BAR