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*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Direct Acting Differential Area Relief Valves - RDH103S50N

Name: Direct Acting Differential Area Relief Valves - RDH103S50N
SKU: RDH103S50N

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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SKU RDH103S50N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Adjustment Mechanism	Screw
Mounting Type	Screw in cartridge valve	Cracking Pressure	N/A
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
Seal Material	Nitrile	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	-34 °C
Weight	0.5 lb	Function	Direct Acting
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Screw	Cavity Size	C10-2
Maximum Tank Pressure	5000 psi	Maximum Pressure Setting	5000 psi
Port Thread Size	n/a	Maximum Flow Rate	20 Gal/min
Maximum Inlet Pressure Rating	380 bar	Maximum Operating Temperature	+121 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	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
Mounting Type	Screw in cartridge valve	Flow Rate	20 Gal/min
Installation Torque	51-55 lb-ft	Cracking Pressure	N/A psi
Standard Setting Pressure	172 bar	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure	85% of pressure setting	Pressure Control Range	2000-5000 psi
Minimum Operating Pressure	380 bar	Leak Rate	.33 @ 75% Crack Pressure cm3/min
Pressure Control Sensitivity	40.6 per turn bar

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