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Parker A04H3HWN - 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. A04H3HWN

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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	Filter Efficiency Rating	SAE Class 4
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Maximum Operating Temperature	121 °C
Flow Rate	50 Gal/min	Minimum Operating Temperature	-34 °C
Weight	0.25 kg	Maximum Operating Pressure	420 bar
Mounting Type	Screw-in Cartridge	Actuation Type	Pressure Sensing
Maximum Pressure Setting	210 bar	Division	Mobile Hydraulic Systems Division Europe
Operation Type	Automatic	Valve Material	Hardened Steel (all operating parts)
Reseat Pressure	n/a	Adjustment Mechanism	Knob
Maximum Tank Pressure	6000 psi	Operating Temperature	-30 to 250 °F
Pressure Control Range	145 to 3000 psi	Standard Setting Pressure	100 bar
Pressure Control Sensitivity	435 psi Per Turn	Maximum Inlet Pressure Rating	6000 psi
Function	Pilot Operated	Leak Rate	25 cm3/min @ 1450 Psi (100 bar)
Configuration	Ventable Pressure Relief	Maximum Flow Rate	190 L/min
Installation Torque	37 lb-ft	Seal Material	Nitrile
Adjustment Mechanism	Knob	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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