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Parker RDH103S10 - 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. RDH103S10

$40.31

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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
Weight	0.5 lb	Function	Direct Acting
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Screw	Cavity Size	C10-2
Maximum Tank Pressure	350 bar	Port Thread Size	n/a
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	5500 psi
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
Maximum Operating Temperature	+93 °C	Flow Rate	75 L/min
Installation Torque	69-75 Nm	Maximum Pressure Setting	1000 psi
Standard Setting Pressure	34.5 bar	Cracking Pressure	N/A psi
Pressure Control Range	100-1000 psi	Leak Rate	5 @ 75% Crack Pressure drops/min
Reseat Pressure	85% of pressure setting	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Minimum Operating Pressure	380 bar	Pressure Control Sensitivity	143 per turn psi
Adjustment Mechanism	Screw	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	100-1000 PSI, 6.9-69 BAR	Standard Setting Pressure	500 PSI, 34.5 BAR

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