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Parker RAH081T50N - 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. RAH081T50N

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Products specifications

Attribute name	Attribute value
Flow Rate	20	Seal Material	Nitrile
Body Material	n/a	Minimum Operating Temperature	-30
Maximum Operating Pressure	5000	Division	Hydraulic Valve Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
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 Pressure Setting	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	-30 to +250	Maximum Operating Temperature	+250
Mounting Type	Screw in cartridge valve	Installation Torque	32-36
Standard Setting Pressure	2500	Pressure Control Range	200-5000
Pressure Control Sensitivity	1910 per turn	Leak Rate	5 per @ 100 psi (6.8 bar) setting
Reseat Pressure	90% of pressure setting	Seal Material	Nitrile
Adjustment Mechanism	Tamper Resistant	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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