Pilot Operated Ventable Relief Valves - A04H3HWN

REGIONAL - Parker’s pilot operated ventable relief valves offer the ability to control the pressure setting via internal adjustment or remote circuit; ideal in applications that require multiple settings up to 420 bar (6000 psi) and 400 lpm (106 gpm).
Availability: Backordered
SKU: A04H3HWN
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Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Pressure Setting210 bar
Maximum Operating Pressure420 barWeight0.25 kg
Seal MaterialNitrileFor Fluid TypeMineral-based Hydraulic Fluids
DivisionHydraulic Cartridge Systems DivisionCavity SizeC10-3S
Filter Efficiency RatingSAE Class 4Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Operating Temperature121 °CFlow Rate50 Gal/min
Minimum Operating Temperature-34 °CMounting TypeScrew-in Cartridge
Actuation TypePressure SensingDivisionMobile Hydraulic Systems Division Europe
Operation TypeAutomaticValve MaterialHardened Steel (all operating parts)
Reseat Pressuren/aAdjustment MechanismKnob
Maximum Tank Pressure6000 psiOperating Temperature-30 to 250 °F
Pressure Control Range145 to 3000 psiStandard Setting Pressure100 bar
Pressure Control Sensitivity435 psi Per TurnMaximum Inlet Pressure Rating6000 psi
FunctionPilot OperatedLeak Rate25 cm3/min @ 1450 Psi (100 bar)
ConfigurationVentable Pressure ReliefMaximum Flow Rate190 L/min
Installation Torque37 lb-ft
Seal MaterialNitrileAdjustment MechanismKnob
Pressure Control Range145-3000 PSI, 10-210 BARMaximum Inlet Pressure Rating6000 PSI, 420 BAR
Flow Rate50 GAL/MIN, 190 L/MIN
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