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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.

AFP Availability:	Quote Required
Partner Available:	Quote Required

Brand Parker

Part No. RD163S30

$214.50/each

Products specifications

Attribute name	Attribute value
Mounting Type	Screw in cartridge valve	Standard Setting Pressure	103.5 bar
Maximum Flow Rate	40 Gal/min	Leak Rate	.66 @ 75% Crack Pressure cm3/min
Operation Type	Automatic	Body Material	N/A
Minimum Operating Temperature	-30 °F	Installation Torque	54 Nm
Operating Temperature	-34 to +121 °C	Division	Hydraulic Systems Division
Minimum Operating Pressure	240 bar	Reseat Pressure	80% of pressure setting
Flow Rate	40 Gal/min	Maximum Operating Pressure	3500 psi
Actuation Type	Pressure Sensing	Seal Material	Nitrile
Weight	0.5 lb	Port Thread Size	N/A
Maximum Inlet Pressure Rating	240 bar	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Cracking Pressure	N/A psi	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Adjustment Mechanism	Screw	Valve Material	All parts steel. All operating parts hardened steel
Maximum Pressure Setting	3000 psi	Pressure Control Sensitivity	14 per turn bar
Function	Direct Acting	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Maximum Tank Pressure	3000 psi	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Pressure Control Range	600-3000 psi	Cavity Size	C16-2
Maximum Operating Temperature	+250 °F	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

Product resources

Literature and Reference Materials