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Parker RDH101K50N - 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. RDH101K50N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	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	-34 °C
Weight	0.18 kg	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Wire Mesh Screen Included	n/a	Cavity Size	C10-2
Maximum Tank Pressure	5000 psi	Maximum Inlet Pressure Rating	5500 psi
Maximum Operating Temperature	+250 °F	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-34 to +121 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Installation Torque	50-56 Nm	Flow Rate	0.5 Gal/min
Maximum Flow Rate	1.9 L/min	Maximum Pressure Setting	350 bar
Standard Setting Pressure	172.4 bar	Pressure Control Sensitivity	131.7 per turn bar
Pressure Control Range	200-5000 psi	Reseat Pressure	90% of pressure setting
Leak Rate	5 @ 75% Crack Pressure drops/min	Seal Material	Nitrile
Adjustment Mechanism	Knob	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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