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Parker A04H3HZN - Pilot Operated Ventable Relief Valves

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).

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Brand Parker

Part No. A04H3HZN

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Division	Hydraulic Cartridge Systems Division	Cavity Size	C10-3S
For Fluid Type	Mineral-based Hydraulic Fluids	Valve Material	Steel (all parts)
Filter Efficiency Rating	SAE Class 4	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-30 °F	Maximum Operating Temperature	121 °C
Maximum Flow Rate	50 Gal/min	Weight	0.25 kg
Maximum Operating Pressure	420 bar	Flow Rate	190 L/min
Mounting Type	Screw-in Cartridge	Actuation Type	Pressure Sensing
Maximum Pressure Setting	210 bar	Division	Mobile Hydraulic Systems Division Europe
Operation Type	Automatic	Reseat Pressure	n/a
Adjustment Mechanism	Screw	Maximum Tank Pressure	6000 psi
Operating Temperature	-34 to 121 °C	Pressure Control Range	145 to 3000 psi
Pressure Control Sensitivity	30 bar Per Turn	Maximum Inlet Pressure Rating	6000 psi
Function	Pilot Operated	Leak Rate	25 cm3/min @ 1450 Psi (100 bar)
Configuration	Ventable Pressure Relief	Installation Torque	37 lb-ft
Standard Setting Pressure	1450 psi	Seal Material	Nitrile
Adjustment Mechanism	Screw	Pressure Control Range	145-3000 PSI, 10-210 BAR
Maximum Inlet Pressure Rating	6000 PSI, 420 BAR	Flow Rate	50 GAL/MIN, 190 L/MIN

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