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Parker RDH082K50 - 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. RDH082K50

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Products specifications

Attribute name	Attribute value
Body Material	n/a	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-35 °F
Weight	0.18 kg	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	Knob
Wire Mesh Screen Included	n/a	Flow Rate	8 Gal/min
Maximum Tank Pressure	5000 psi	Maximum Pressure Setting	5000 psi
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	380 bar
Installation Torque	43-49 Nm	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	-37 to +93 °C
Maximum Operating Temperature	+93 °C	Maximum Operating Pressure	380 bar
Standard Setting Pressure	2500 psi	Pressure Control Range	34.5-350 bar
Leak Rate	5 @ 75% Crack Pressure drops/min	Reseat Pressure	85% of pressure setting
Pressure Control Sensitivity	787 per turn psi	Adjustment Mechanism	Knob
Flow Rate	8 GAL/MIN, 30 L/MIN	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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