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Parker RAH081K50V - 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. RAH081K50V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	Body Material	n/a
Maximum Operating Pressure	5000 psi	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-26 °C	Weight	0.09 kg
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Knob	Function	Pilot Operated
Maximum Tank Pressure	5000 psi	Maximum Inlet Pressure Rating	5000 psi
Maximum Operating Temperature	+400 °F	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-15 to +400 °F
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Flow Rate	20 Gal/min	Installation Torque	32-36 lb-ft
Maximum Pressure Setting	350 bar	Standard Setting Pressure	2500 psi
Pressure Control Sensitivity	131.7 per turn bar	Pressure Control Range	200-5000 psi
Reseat Pressure	90% of pressure setting	Leak Rate	5 per @ 100 psi (6.8 bar) setting cm3/min
Maximum Flow Rate	75.8 L/min	Seal Material	Fluorocarbon
Adjustment Mechanism	Knob	Maximum Inlet Pressure Rating	5000 PSI, 350 BAR
Pressure Control Range	200-5000 PSI, 13.8-350 BAR	Flow Rate	20 GAL/MIN, 75.8 L/MIN

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