Pilot Operated Ventable Relief Valves - A04H3HZN

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: A04H3HZN
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Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Pressure Setting210 bar
Maximum Operating Pressure420 barWeight0.25 kg
Seal MaterialNitrileMinimum Operating Temperature-30 °F
For Fluid TypeMineral-based Hydraulic FluidsDivisionHydraulic Cartridge Systems Division
Cavity SizeC10-3SFilter Efficiency RatingSAE Class 4
Maximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)Maximum Operating Temperature121 °C
Maximum Flow Rate50 Gal/minFlow Rate190 L/min
Mounting TypeScrew-in CartridgeActuation TypePressure Sensing
DivisionMobile Hydraulic Systems Division EuropeOperation TypeAutomatic
Valve MaterialSteel (all parts)Reseat Pressuren/a
Adjustment MechanismScrewMaximum Tank Pressure6000 psi
Operating Temperature-34 to 121 °CPressure Control Range145 to 3000 psi
Standard Setting Pressure1450 psiPressure Control Sensitivity30 bar Per Turn
Maximum Inlet Pressure Rating6000 psiFunctionPilot Operated
Leak Rate25 cm3/min @ 1450 Psi (100 bar)ConfigurationVentable Pressure Relief
Installation Torque37 lb-ft
Seal MaterialNitrileAdjustment MechanismScrew
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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