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Parker RDH103K20 - 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. RDH103K20

$0.01

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Products specifications

Attribute name	Attribute value
UOM	EA	Body Material	n/a
Maximum Operating Pressure	5500 psi	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-35 °F
Maximum Operating Temperature	+200 °F	Weight	0.5 lb
Function	Direct Acting	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Cavity Size	C10-2	Maximum Tank Pressure	350 bar
Port Thread Size	n/a	Seal Material	D-Ring (Standard)
Maximum Inlet Pressure Rating	380 bar	Maximum Flow Rate	75 L/min
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	Mounting Type	Screw in cartridge valve
Operating Temperature	-35 to +200 °F	Flow Rate	75 L/min
Installation Torque	51-55 lb-ft	Standard Setting Pressure	1000 psi
Maximum Pressure Setting	138 bar	Cracking Pressure	N/A psi
Reseat Pressure	85% of pressure setting	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Leak Rate	.33 @ 75% Crack Pressure cm3/min	Pressure Control Range	500-2000 psi
Minimum Operating Pressure	380 bar	Pressure Control Sensitivity	17 per turn bar
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	500-2000 PSI, 34.5-138 BAR	Standard Setting Pressure	1000 PSI, 69 BAR

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