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Parker RDH082S50V - 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. RDH082S50V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	Body Material	n/a
Maximum Operating Pressure	5500 psi	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-15 °F
Weight	0.4 lb	Flow Rate	30 L/min
Maximum Flow Rate	8 Gal/min	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Screw	Wire Mesh Screen Included	n/a
Maximum Tank Pressure	5000 psi	Maximum Pressure Setting	5000 psi
Maximum Inlet Pressure Rating	5500 psi	Maximum Operating Temperature	+204 °C
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-26 to +204 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Installation Torque	32-36 lb-ft
Standard Setting Pressure	172.4 bar	Pressure Control Range	500-5000 psi
Leak Rate	0.33 @ 75% Crack Pressure cm3/min	Reseat Pressure	85% of pressure setting
Pressure Control Sensitivity	787 per turn psi	Seal Material	Fluorocarbon
Adjustment Mechanism	Screw	Flow Rate	8 GAL/MIN, 30 L/MIN
Maximum Inlet Pressure Rating	5500 PSI, 380 BAR	Pressure Control Range	500-5000 PSI, 34.5-350 BAR

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