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Parker RU101S10C - Unloading Relief Valves

Parker’s unloading pressure control valves automatically charge and maintain a specific pressure range within accumulators by loading and unloading pump flow. Usable with fixed or variable pumps and pressure of 420 bar (6000 psi) and flow up to 1 gpm.

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Brand Parker

Part No. RU101S10C

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Products specifications

Attribute name	Attribute value
Division	Hydraulic Systems Division	Division	Hydraulic Cartridge Systems Division
Maximum Operating Temperature	+121 °C	Seal Material	Nitrile
Actuation Type	Pressure Sensing	Minimum Operating Temperature	-34 °C
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Maximum Flow Rate	1 Gal/min
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Leak Rate	10 (port 2 to 3), 60 (port 1 to 2) drops/min
Weight	0.5 lb	Cavity Size	C10-3
Installation Torque	22 Nm	Standard Setting Pressure	500 psi
Operating Temperature	-34 to +121 °C	Maximum Inlet Pressure Rating	245 bar
Maximum Operating Pressure	3500 psi	Flow Rate	3.75 L/min
Pressure Control Range	6.9-69 bar	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Adjustment Mechanism	Screw	Maximum Tank Pressure	3000 psi
Function	Unloading Relief Valve	Maximum Pressure Setting	69 bar
Valve Material	All parts steel. All operating parts hardened steel	Body Material	n/a
Pressure Control Range	100-1000 PSI, 6.9-69 BAR	Adjustment Mechanism	Screw
Seal Material	Nitrile	Maximum Flow Rate	1 GAL/MIN, 3.75 L/MIN

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