Pilot Operated Relief Valves - RAH201S50

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: 16 in stock
SKU: RAH201S50
POR
Products specifications
Attribute nameAttribute value
Adjustment MechanismScrewReseat Pressure80% of pressure setting
Cavity SizeC20-2Maximum Flow Rate100 Gal/min
Weight0.9 kgMaximum Inlet Pressure Rating5500 psi
Maximum Operating Pressure5000 psiFlow Rate100 Gal/min
Pressure Control Sensitivity118 per turn barStandard Setting Pressure172.4 bar
Maximum Tank Pressure5000 psiValve MaterialAll parts steel. All operating parts hardened steel
DivisionHydraulic Cartridge Systems DivisionMounting TypeScrew in cartridge valve
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Operation TypeAutomaticMaximum Pressure Setting5000 psi
Operating Temperature-30 to +250 °FBody MaterialN/A
Minimum Operating Temperature-30 °FLeak Rate5 per @ 100 psi (6.8 bar) setting cm3/min
FunctionPilot OperatedInstallation Torque98 lb-ft
Seal MaterialNitrileMaximum Operating Temperature+121 °C
ConfigurationPressure ReliefPressure Control Range500-5000 psi
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Actuation TypePressure Sensing
For Fluid TypeMineral-based or synthetic hydraulic fluids
Flow Rate100 GAL/MIN, 379 L/MINAdjustment MechanismScrew
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Seal MaterialNitrile
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