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Direct Acting Differential Area Relief Valves - RDH103K30N

Name: Direct Acting Differential Area Relief Valves - RDH103K30N
SKU: RDH103K30N

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 RDH103K30N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Adjustment Mechanism	Knob
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
Standard Setting Pressure	1500 PSI, 103.5 BAR	Pressure Control Range	500-3000 PSI, 34.5-210 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	Maximum Pressure Setting	3000 psi
Operation Type	Automatic	Adjustment Mechanism	Knob
Cavity Size	C10-2	Maximum Tank Pressure	5000 psi
Port Thread Size	n/a	Maximum Inlet Pressure Rating	380 bar
Maximum Flow Rate	75 L/min	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	75 L/min
Installation Torque	69-75 Nm	Standard Setting Pressure	103.5 bar
Cracking Pressure	N/A psi	Leak Rate	5 @ 75% Crack Pressure drops/min
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Reseat Pressure	85% of pressure setting
Pressure Control Range	1000-3000 psi	Minimum Operating Pressure	380 bar
Pressure Control Sensitivity	375 per turn psi

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