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Parker RDH082N50 - Direct Acting Relief Valves

Parker’s direct acting relief valves are available in several cavity sizes and are designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm).

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Brand Parker

Part No. RDH082N50

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Products specifications

Attribute name	Attribute value
Minimum Operating Temperature	-35	Body Material	n/a
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Weight	0.4	Maximum Operating Pressure	5500
Maximum Flow Rate	8	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Wire Mesh Screen Included	n/a	Flow Rate	8
Adjustment Mechanism	Non-Adjustable	Maximum Tank Pressure	5000
Maximum Pressure Setting	5000	Pressure Control Sensitivity	n/a
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	5500
Maximum Operating Temperature	+200	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
Mounting Type	Screw in cartridge valve	Operating Temperature	-35 to +200
Installation Torque	32-36	Standard Setting Pressure	2500
Pressure Control Range	500-5000	Leak Rate	5 @ 75% Crack Pressure
Reseat Pressure	85% of pressure setting	Flow Rate	8 GAL/MIN, 30 L/MIN
Adjustment Mechanism	Non-Adjustable	Seal Material	D-Ring (Standard)
Maximum Inlet Pressure Rating	5500 PSI, 380 BAR	Pressure Control Range	500-5000 PSI, 34.5-350 BAR

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