Pilot Operated Relief Valves - RAH201K50

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: 1 in stock
SKU: RAH201K50
POR
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Operating Pressure350 bar
Weight0.9 kgSeal MaterialNitrile
Minimum Operating Temperature-30 °FDivisionHydraulic Systems Division
DivisionHydraulic Cartridge Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Flow Rate100 Gal/minActuation TypePressure Sensing
ConfigurationPressure ReliefOperation TypeAutomatic
Adjustment MechanismKnobFunctionPilot Operated
Maximum Tank Pressure5000 psiMaximum Pressure Setting5000 psi
Cavity SizeC20-2Maximum Inlet Pressure Rating5500 psi
Installation Torque133 NmFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+121 °CValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-34 to +121 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveFlow Rate379 L/min
Standard Setting Pressure2500 psiPressure Control Range500-5000 psi
Pressure Control Sensitivity1711 per turn psiLeak Rate5 per @ 100 psi (6.8 bar) setting cm3/min
Reseat Pressure80% of pressure setting
Seal MaterialNitrileAdjustment MechanismKnob
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Flow Rate100 GAL/MIN, 379 L/MIN
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