Pilot Operated Relief Valves - RAH121T10

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 RAH121T10
$130.28
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismTamper ResistantMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range100-1000 PSI, 6.9-69 BARFlow Rate50 GAL/MIN, 189.5 L/MIN
Seal MaterialNitrileBody Materialn/a
Maximum Operating Pressure5000 psiDivisionHydraulic Cartridge Systems Division
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Flow Rate50 Gal/minMinimum Operating Temperature-34 °C
ConfigurationPressure ReliefActuation TypePressure Sensing
Operation TypeAutomaticAdjustment MechanismTamper Resistant
FunctionPilot OperatedMaximum Tank Pressure350 bar
Cavity SizeC12-2Maximum Inlet Pressure Rating5500 psi
Maximum Operating Temperature+250 °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-34 to +121 °CMounting TypeScrew in cartridge valve
Installation Torque92-96 lb-ftWeight0.22 kg
Standard Setting Pressure500 psiMaximum Pressure Setting1000 psi
Pressure Control Range6.9-69 barPressure Control Sensitivity334 per turn psi
Reseat Pressure80% of pressure settingFlow Rate189.5 L/min
Leak Rate82 @ 75% Crack Pressure cm3/min
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