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Parker RD163K10 - 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. RD163K10

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Division	Hydraulic Systems Division	Maximum Operating Pressure	3500 psi
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Maximum Inlet Pressure Rating	240 bar
Minimum Operating Temperature	-30 °F	Installation Torque	54 Nm
Weight	0.23 kg	Maximum Flow Rate	40 Gal/min
Function	Direct Acting	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Port Thread Size	n/a	Cavity Size	C16-2
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	-30 to +250 °F
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Maximum Tank Pressure	210 bar	Maximum Pressure Setting	1000 psi
Standard Setting Pressure	500 psi	Cracking Pressure	N/A psi
Pressure Control Range	13.8-69 bar	Reseat Pressure	80% of pressure setting
Flow Rate	151 L/min	Leak Rate	.66 @ 75% Crack Pressure cm3/min
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Pressure Control Sensitivity	7 per turn bar
Minimum Operating Pressure	240 bar	Seal Material	Nitrile
Adjustment Mechanism	Knob	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Pressure Control Range	200-1000 PSI, 13.8-69 BAR
Flow Rate	40 GAL/MIN, 151 L/MIN	Maximum Inlet Pressure Rating	3500 PSI, 240 BAR
Standard Setting Pressure	500 PSI, 34.5 BAR

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