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Parker RDH103T50N - 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. RDH103T50N

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Products specifications

Attribute name	Attribute value
Flow Rate	20	Seal Material	Nitrile
Body Material	n/a	Minimum Operating Temperature	-30
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Weight	0.5	Maximum Operating Pressure	5500
Function	Direct Acting	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Tamper Resistant
Cavity Size	C10-2	Maximum Tank Pressure	5000
Maximum Pressure Setting	5000	Port Thread Size	n/a
Cracking Pressure	n/a	Maximum Flow Rate	20
Maximum Inlet Pressure Rating	5500	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
Operating Temperature	-30 to +250	Maximum Operating Temperature	+250
Mounting Type	Screw in cartridge valve	Installation Torque	51-55
Standard Setting Pressure	2500	Leak Rate	5 @ 75% Crack Pressure
Reseat Pressure	85% of pressure setting	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Minimum Operating Pressure	380	Pressure Control Sensitivity	589 per turn
Pressure Control Range	2000-5000	Seal Material	Nitrile
Adjustment Mechanism	Tamper Resistant	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

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