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Picture of Pilot Operated Relief Valves - RAH121S50V

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Pilot Operated Relief Valves - RAH121S50V

Parker’s pilot operated relief valves are designed for continuous duty applications featuring great stability with low pressure drop; working with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm).
Availability: Backordered
SKU: RAH121S50V
POR
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Operating Pressure350 bar
Maximum Pressure Setting350 barSeal MaterialFluorocarbon
DivisionHydraulic Systems DivisionDivisionHydraulic Cartridge Systems Division
Minimum Operating Temperature-15 °FMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Actuation TypePressure SensingConfigurationPressure Relief
Operation TypeAutomaticAdjustment MechanismScrew
FunctionPilot OperatedMaximum Tank Pressure5000 psi
Cavity SizeC12-2Maximum Inlet Pressure Rating380 bar
For Fluid TypeMineral-based or synthetic hydraulic fluidsMaximum Operating Temperature+204 °C
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-15 to +400 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Weight0.48 lbStandard Setting Pressure2500 psi
Pressure Control Range34.5-350 barPressure Control Sensitivity1711 per turn psi
Flow Rate189.5 L/minLeak Rate82 @ 75% Crack Pressure cm3/min
Reseat Pressure80% of pressure settingMaximum Flow Rate189.5 L/min
Installation Torque124-130 Nm
Seal MaterialFluorocarbonAdjustment MechanismScrew
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Flow Rate50 GAL/MIN, 189.5 L/MIN
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