Direct Acting Relief Valves - RDH081T50

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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SKU RDH081T50
$53.07
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Products specifications
Attribute nameAttribute value
UOMEAAdjustment MechanismTamper Resistant
Seal MaterialD-Ring (Standard)Maximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range200-5000 PSI, 13.8-350 BARFlow Rate0.5 GAL/MIN, 1.9 L/MIN
Body Materialn/aMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-35 °FMaximum Operating Temperature+200 °F
Weight0.09 kgFunctionDirect Acting
ConfigurationPressure ReliefActuation TypePressure Sensing
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismTamper ResistantWire Mesh Screen Includedn/a
Maximum Tank Pressure5000 psiSeal MaterialD-Ring (Standard)
Maximum Inlet Pressure Rating380 barInstallation Torque43-49 Nm
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4For Fluid TypeMineral-based or synthetic hydraulic fluids
Valve MaterialAll parts steel. All operating parts hardened steelMounting TypeScrew in cartridge valve
Operating Temperature-35 to +200 °FFlow Rate0.5 Gal/min
Maximum Flow Rate1.9 L/minStandard Setting Pressure172.4 bar
Pressure Control Sensitivity1910 per turn psiMaximum Pressure Setting350 bar
Pressure Control Range13.8-350 barReseat Pressure90% of pressure setting
Leak Rate5 @ 75% Crack Pressure drops/min
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