Parker RDH101K30N - Direct Acting Relief Valves

Parker’s direct acting relief valves are available in several cavity sizes and are designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm).
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Brand Parker
Part No. RDH101K30N
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Products specifications
Attribute nameAttribute value
Seal MaterialNitrileBody Materialn/a
Minimum Operating Temperature-30DivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Weight0.4
Maximum Operating Pressure5500FunctionDirect Acting
ConfigurationPressure ReliefActuation TypePressure Sensing
Maximum Pressure Setting3000Operation TypeAutomatic
Adjustment MechanismKnobWire Mesh Screen Includedn/a
Cavity SizeC10-2Maximum Tank Pressure5000
Maximum Inlet Pressure Rating5500For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Operating Temperature-30 to +250Maximum Operating Temperature+250
Mounting TypeScrew in cartridge valveInstallation Torque37-41
Maximum Flow Rate0.5Flow Rate0.5
Standard Setting Pressure1500Pressure Control Range200-3000
Pressure Control Sensitivity859 per turnReseat Pressure90% of pressure setting
Leak Rate5 @ 75% Crack PressureSeal MaterialNitrile
Adjustment MechanismKnobMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range200-3000 PSI, 13.8-210 BARFlow Rate0.5 GAL/MIN, 1.9 L/MIN
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