Pilot Operated Relief Valves - RAH161S10

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: 7 in stock
SKU: RAH161S10
$195.90
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Operating Pressure350 bar
Seal MaterialNitrileDivisionHydraulic Systems Division
DivisionHydraulic Cartridge Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Weight0.34 kgMaximum Flow Rate80 Gal/min
Minimum Operating Temperature-34 °CActuation TypePressure Sensing
ConfigurationPressure ReliefOperation TypeAutomatic
Adjustment MechanismScrewFunctionPilot Operated
Cavity SizeC16-2Maximum Tank Pressure5000 psi
Maximum Inlet Pressure Rating5500 psiFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+121 °CValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-30 to +250 °FFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveMaximum Pressure Setting1000 psi
Standard Setting Pressure500 psiPressure Control Range100-1000 psi
Pressure Control Sensitivity285 per turn psiInstallation Torque121-125 lb-ft
Leak Rate5 per @ 100 psi (6.8 bar) setting cm3/minReseat Pressure90% of pressure setting
Flow Rate302.8 L/min
Seal MaterialNitrileAdjustment MechanismScrew
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range100-1000 PSI, 6.9-69 BAR
Flow Rate80 GAL/MIN, 302.8 L/MIN
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