Pilot Operated Relief Valves - RAH121T30

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 RAH121T30
$130.28
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismTamper ResistantMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range300-3000 PSI, 20.7-210 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)
Flow Rate50 Gal/minMaximum Flow Rate50 Gal/min
Minimum Operating Temperature-34 °CConfigurationPressure Relief
Actuation TypePressure SensingMaximum Pressure Setting210 bar
Operation TypeAutomaticAdjustment MechanismTamper Resistant
FunctionPilot OperatedMaximum Tank Pressure5000 psi
Cavity SizeC12-2Maximum Inlet Pressure Rating5500 psi
Maximum Operating Temperature+121 °CFilter 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 Pressure1500 psiPressure Control Range300-3000 psi
Reseat Pressure80% of pressure settingLeak Rate82 @ 75% Crack Pressure cm3/min
Pressure Control Sensitivity59.7 per turn bar
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