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Parker RAH081K30N - Pilot Operated Relief Valves

Parker’s pilot operated relief valves are designed for continuous duty applications featuring great stability with low pressure drop; working with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm).

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Brand Parker

Part No. RAH081K30N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Division	Hydraulic Cartridge Systems Division	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-34 °C
Weight	0.09 kg	Maximum Operating Pressure	350 bar
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Maximum Pressure Setting	3000 psi	Cavity Size	C08-2
Operation Type	Automatic	Adjustment Mechanism	Knob
Function	Pilot Operated	Maximum Tank Pressure	5000 psi
Maximum Inlet Pressure Rating	350 bar	Installation Torque	43-49 Nm
Maximum Operating Temperature	+121 °C	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-34 to +121 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Standard Setting Pressure	103.5 bar	Pressure Control Sensitivity	58.9 per turn bar
Pressure Control Range	200-3000 psi	Reseat Pressure	90% of pressure setting
Flow Rate	75.8 L/min	Leak Rate	5 per @ 100 psi (6.8 bar) setting cm3/min
Maximum Flow Rate	75.8 L/min	Seal Material	Nitrile
Adjustment Mechanism	Knob	Maximum Inlet Pressure Rating	5000 PSI, 350 BAR
Pressure Control Range	200-3000 PSI, 13.8-210 BAR	Flow Rate	20 GAL/MIN, 75.8 L/MIN

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