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Parker RDH103N20N - 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. RDH103N20N

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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	Cavity Size	C10-2
Adjustment Mechanism	Non-Adjustable	Maximum Tank Pressure	5000
Pressure Control Sensitivity	n/a	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	1000	Maximum Pressure Setting	2000
Leak Rate	5 @ 75% Crack Pressure	Reseat Pressure	85% of pressure setting
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Pressure Control Range	500-2000
Minimum Operating Pressure	380	Seal Material	Nitrile
Adjustment Mechanism	Non-Adjustable	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	500-2000 PSI, 34.5-138 BAR
Standard Setting Pressure	1000 PSI, 69 BAR

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