Pilot Operated Relief Valves - RAH121K50V

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).
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SKU RAH121K50V
$137.46
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialFluorocarbon
Adjustment MechanismKnobMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range500-5000 PSI, 34.5-350 BARFlow Rate50 GAL/MIN, 189.5 L/MIN
Seal MaterialFluorocarbonBody Materialn/a
Maximum Operating Pressure5000 psiDivisionHydraulic Cartridge Systems Division
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-26 °CFlow Rate50 Gal/min
ConfigurationPressure ReliefActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismKnob
FunctionPilot OperatedMaximum Tank Pressure350 bar
Cavity SizeC12-2Maximum Inlet Pressure Rating5500 psi
Maximum Operating Temperature+400 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
For Fluid TypeMineral-based or synthetic hydraulic fluidsValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-15 to +400 °FMounting TypeScrew in cartridge valve
Weight0.22 kgMaximum Pressure Setting350 bar
Standard Setting Pressure2500 psiPressure Control Range34.5-350 bar
Pressure Control Sensitivity118 per turn barReseat Pressure80% of pressure setting
Leak Rate82 @ 75% Crack Pressure cm3/minMaximum Flow Rate189.5 L/min
Installation Torque124-130 Nm
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