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Picture of Direct Acting Relief Valves - RDH042T30

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Direct Acting Relief Valves - RDH042T30

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 RDH042T30
$65.68
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Products specifications
Attribute nameAttribute value
UOMEASeal MaterialNitrile
Adjustment MechanismTamper ResistantFlow Rate1 GAL/MIN, 3.8 L/MIN
Maximum Inlet Pressure Rating5500 PSI, 380 BARPressure Control Range100-3000 PSI, 6.9-210 BAR
Seal MaterialNitrileWeight0.03 kg
Body Materialn/aDivisionHydraulic Systems Division
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Minimum Operating Temperature-30 °F
FunctionDirect ActingConfigurationPressure Relief
Actuation TypePressure SensingMaximum Pressure Setting3000 psi
Operation TypeAutomaticAdjustment MechanismTamper Resistant
Wire Mesh Screen Includedn/aMaximum Tank Pressure350 bar
Cavity SizeC04-2Maximum Flow Rate1 Gal/min
Maximum Inlet Pressure Rating380 barMaximum Operating Temperature+121 °C
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 steelOperating Temperature-30 to +250 °F
Mounting TypeScrew in cartridge valveMaximum Operating Pressure380 bar
Installation Torque10 NmReseat Pressure80% of pressure setting
Standard Setting Pressure103.4 barFlow Rate1 Gal/min
Leak Rate0.66 @ 75% Crack Pressure cm3/minPressure Control Range100-3000 psi
Pressure Control Sensitivity1522 per turn psi
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