Pilot Operated Relief Valves - RAH121S10

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 RAH121S10
$113.97
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismScrewMaximum 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)
Minimum Operating Temperature-30 °FFlow Rate50 Gal/min
Maximum Flow Rate50 Gal/minConfigurationPressure Relief
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismScrewFunctionPilot Operated
Maximum Tank Pressure5000 psiCavity SizeC12-2
Maximum Inlet Pressure Rating5500 psiMaximum Operating Temperature+250 °F
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-30 to +250 °F
Mounting TypeScrew in cartridge valveInstallation Torque92-96 lb-ft
Weight0.22 kgMaximum Pressure Setting69 bar
Standard Setting Pressure500 psiPressure Control Range100-1000 psi
Pressure Control Sensitivity334 per turn psiReseat Pressure80% of pressure setting
Leak Rate82 @ 75% Crack Pressure cm3/min
California Residents: Prop-65 Warning
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