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Parker RU101S20C - 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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Partner Available:	Quote Required

Brand Parker

Part No. RU101S20C

Products specifications

Attribute name	Attribute value
Maximum Operating Pressure	3500	Maximum Inlet Pressure Rating	3500
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Adjustment Mechanism	Screw
Valve Material	All parts steel. All operating parts hardened steel	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Weight	0.5	Maximum Pressure Setting	2000
Function	Unloading Relief Valve	Maximum Tank Pressure	3000
Division	Hydraulic Valve Systems Division	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Pressure Control Range	100-1000	Cavity Size	C10-3
Maximum Operating Temperature	+250	Standard Setting Pressure	1000
Leak Rate	10 (port 2 to 3), 60 (port 1 to 2)	Body Material	N/A
Minimum Operating Temperature	-30	Maximum Flow Rate	1
Operating Temperature	-30 to +250	Division	Hydraulic Systems Division
Flow Rate	1	Installation Torque	16
Actuation Type	Pressure Sensing	Seal Material	Nitrile
Maximum Flow Rate	1 GAL/MIN, 3.75 L/MIN	Adjustment Mechanism	Screw
Pressure Control Range	150-2000 PSI, 10.3-138 BAR	Seal Material	Nitrile

Product resources

Literature and Reference Materials