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Parker RU104S24BN - 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. RU104S24BN

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Products specifications

Attribute name	Attribute value
Weight	1 kg	Minimum Operating Temperature	-30 °F
Operating Temperature	-30 to +250 °F	Standard Setting Pressure	117.2 bar
Leak Rate	N/A drops/min	Cavity Size	C10-4
Flow Rate	0.25 Gal/min	Pressure Control Range	1000-2400 psi
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Maximum Operating Pressure	250 bar
Maximum Flow Rate	0.25 Gal/min	Adjustment Mechanism	Screw
Function	Unloading Relief Valve	Maximum Pressure Setting	165.5 bar
Valve Material	All parts steel. All operating parts hardened steel	Body Material	n/a
Division	Hydraulic Systems Division	Division	Hydraulic Cartridge Systems Division
Maximum Operating Temperature	+121 °C	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Installation Torque	50-56 Nm	Seal Material	Nitrile
Actuation Type	Pressure Sensing	Maximum Inlet Pressure Rating	250 bar
Maximum Tank Pressure	210 bar	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Maximum Flow Rate	0.25 GAL/MIN, 1 L/MIN	Pressure Control Range	1000-2400 PSI, 68.9-165.5 BAR
Seal Material	Nitrile	Adjustment Mechanism	Screw

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