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Picture of Parker RAH161S50 - Pilot Operated Relief Valves

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Parker RAH161S50 - Pilot Operated Relief Valves

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:
13 In Stock
Richmond, VA12
Summerville, SC1
Partner Available:68 In Stock
Brand Parker
Part No. RAH161S50
$129.38
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Body Materialn/aMaximum Operating Pressure5000 psi
DivisionHydraulic Cartridge Systems DivisionDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-30 °F
Weight0.34 kgConfigurationPressure Relief
Actuation TypePressure SensingOperation TypeAutomatic
Adjustment MechanismScrewFunctionPilot Operated
Maximum Tank Pressure5000 psiMaximum Pressure Setting5000 psi
Cavity SizeC16-2Maximum Inlet Pressure Rating5500 psi
Maximum Operating Temperature+250 °FFor Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-34 to +121 °C
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Standard Setting Pressure2500 psiPressure Control Sensitivity1910 per turn psi
Installation Torque164-170 NmPressure Control Range34.5-350 bar
Reseat Pressure90% of pressure settingLeak Rate5 per @ 100 psi (6.8 bar) setting cm3/min
Flow Rate302.8 L/minMaximum Flow Rate302.8 L/min
Seal MaterialNitrileAdjustment MechanismScrew
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range500-5000 PSI, 34.5-350 BAR
Flow Rate80 GAL/MIN, 302.8 L/MIN
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