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Parker RDH081K50 - 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. RDH081K50

$45.38

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Products specifications

Attribute name	Attribute value
UOM	EA	Body Material	n/a
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-35 °F	Maximum Operating Temperature	+200 °F
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	Maximum Tank Pressure	5000 psi
Maximum Pressure Setting	5000 psi	Weight	0.2 lb
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	380 bar
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 °F	Installation Torque	32-36 lb-ft
Maximum Operating Pressure	380 bar	Flow Rate	1.9 L/min
Maximum Flow Rate	0.5 Gal/min	Standard Setting Pressure	172.4 bar
Pressure Control Sensitivity	1910 per turn psi	Pressure Control Range	13.8-350 bar
Reseat Pressure	90% of pressure setting	Leak Rate	0.33 @ 75% Crack Pressure cm3/min
Adjustment Mechanism	Knob	Seal Material	D-Ring (Standard)
Maximum Inlet Pressure Rating	5500 PSI, 380 BAR	Pressure Control Range	200-5000 PSI, 13.8-350 BAR
Flow Rate	0.5 GAL/MIN, 1.9 L/MIN

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