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Parker RD163K20V - Direct Acting Differential Area Relief Valves

Parker’s direct acting differential area relief valves are for fast response intermittent applications and work up to 380 bar (5500 psi) and 151 lpm (40 gpm). These valves have lower leakage rates and pressure rise than standard direct acting reliefs.

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Brand Parker

Part No. RD163K20V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	Body Material	n/a
Division	Hydraulic Systems Division	Maximum Operating Pressure	3500
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Maximum Inlet Pressure Rating	3500
Minimum Operating Temperature	-15	Weight	0.5
Installation Torque	40	Maximum Flow Rate	40
Flow Rate	40	Function	Direct Acting
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Knob	Port Thread Size	n/a
Cracking Pressure	n/a	Cavity Size	C16-2
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	Operating Temperature	-15 to +400
Maximum Operating Temperature	+400	Mounting Type	Screw in cartridge valve
Maximum Tank Pressure	3000	Standard Setting Pressure	1000
Pressure Control Range	400-2000	Maximum Pressure Setting	2000
Reseat Pressure	80% of pressure setting	Leak Rate	10 @ 75% Crack Pressure
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Pressure Control Sensitivity	99 per turn
Minimum Operating Pressure	240	Seal Material	Fluorocarbon
Adjustment Mechanism	Knob	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Flow Rate	40 GAL/MIN, 151 L/MIN
Pressure Control Range	400-2000 PSI, 27.6-138 BAR	Maximum Inlet Pressure Rating	3500 PSI, 240 BAR
Standard Setting Pressure	1000 PSI, 69 BAR

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