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Parker RD163S30 - 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. RD163S30

$160.88

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Products specifications

Attribute name	Attribute value
UOM	EA	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	0.5 lb
Maximum Flow Rate	40 Gal/min	Function	Direct Acting
Actuation Type	Pressure Sensing	Maximum Pressure Setting	3000 psi
Operation Type	Automatic	Adjustment Mechanism	Screw
Port Thread Size	n/a	Cavity Size	C16-2
Flow Rate	40 Gal/min	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	-34 to +121 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Maximum Tank Pressure	3000 psi
Pressure Control Range	600-3000 psi	Standard Setting Pressure	103.5 bar
Cracking Pressure	N/A psi	Reseat Pressure	80% of pressure setting
Leak Rate	.66 @ 75% Crack Pressure cm3/min	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Pressure Control Sensitivity	14 per turn bar	Minimum Operating Pressure	240 bar
Seal Material	Nitrile	Adjustment Mechanism	Screw
Mounting Type	Screw in cartridge valve	Cracking Pressure	N/A
Pressure Control Range	600-3000 PSI, 41.4-210 BAR	Flow Rate	40 GAL/MIN, 151 L/MIN
Maximum Inlet Pressure Rating	3500 PSI, 240 BAR	Standard Setting Pressure	1500 PSI, 103.5 BAR

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