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Parker RAH081T20V - 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. RAH081T20V

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Products specifications

Attribute name	Attribute value
Flow Rate	20	Seal Material	Fluorocarbon
Body Material	n/a	Maximum Operating Pressure	5000
Division	Hydraulic Valve Systems Division	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-15
Weight	0.2	Configuration	Pressure Relief
Actuation Type	Pressure Sensing	Cavity Size	C08-2
Operation Type	Automatic	Adjustment Mechanism	Tamper Resistant
Function	Pilot Operated	Maximum Tank Pressure	5000
Maximum Inlet Pressure Rating	5000	Maximum Flow Rate	20
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Operating Temperature	-15 to +400
Maximum Operating Temperature	+400	Mounting Type	Screw in cartridge valve
Installation Torque	32-36	Standard Setting Pressure	1000
Maximum Pressure Setting	2000	Pressure Control Range	100-2000
Pressure Control Sensitivity	570 per turn	Leak Rate	5 per @ 100 psi (6.8 bar) setting
Reseat Pressure	90% of pressure setting	Seal Material	Fluorocarbon
Adjustment Mechanism	Tamper Resistant	Maximum Inlet Pressure Rating	5000 PSI, 350 BAR
Pressure Control Range	100-2000 PSI, 6.9-138 BAR	Flow Rate	20 GAL/MIN, 75.8 L/MIN

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