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Parker RDH103K50 - 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:	1 Limited Stock

Brand Parker

Part No. RDH103K50

$85.14/each

Products specifications

Attribute name	Attribute value
UOM	EA	Adjustment Mechanism	Knob
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Cracking Pressure	N/A psi
Maximum Pressure Setting	5000 psi	Maximum Inlet Pressure Rating	380 bar
Maximum Tank Pressure	5000 psi	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Pressure Control Sensitivity	589 per turn psi	Function	Direct Acting
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Cavity Size	C10-2
Pressure Control Range	2000-5000 psi	Maximum Operating Temperature	+93 °C
Leak Rate	.33 @ 75% Crack Pressure cm3/min	Standard Setting Pressure	172 bar
Maximum Flow Rate	20 Gal/min	Operation Type	Automatic
Body Material	N/A	Operating Temperature	-37 to +93 °C
Mounting Type	Screw in cartridge valve	Minimum Operating Temperature	-35 °F
Installation Torque	51-55 lb-ft	Division	Hydraulic Systems Division
Minimum Operating Pressure	380 bar	Actuation Type	Pressure Sensing
Flow Rate	20 Gal/min	Port Thread Size	N/A
Reseat Pressure	85% of pressure setting	Weight	0.5 lb
Seal Material	D-Ring (Standard)	Valve Material	All parts steel. All operating parts hardened steel
Maximum Operating Pressure	5500 psi	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Adjustment Mechanism	Knob	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Seal Material	D-Ring (Standard)
Flow Rate	20 GAL/MIN, 75 L/MIN	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	500-5000 PSI, 34.5-350 BAR	Standard Setting Pressure	2500 PSI, 172 BAR

Product resources

Literature and Reference Materials