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Parker RDH083K30V - 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. RDH083K30V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	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	-15 °F
Flow Rate	12 Gal/min	Function	Direct Acting
Actuation Type	Pressure Sensing	Maximum Pressure Setting	3000 psi
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Knob	Maximum Tank Pressure	350 bar
Port Thread Size	n/a	Maximum Flow Rate	45 L/min
Maximum Inlet Pressure Rating	380 bar	Maximum Operating Temperature	+400 °F
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-15 to +400 °F	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Weight	0.19 kg
Standard Setting Pressure	1500 psi	Cracking Pressure	N/A psi
Leak Rate	10 @ 75% Crack Pressure drops/min	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure	75% of pressure setting	Installation Torque	31 Nm
Pressure Control Range	1000-3000 psi	Minimum Operating Pressure	380 bar
Pressure Control Sensitivity	27 per turn bar	Seal Material	Fluorocarbon
Adjustment Mechanism	Knob	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Flow Rate	12 GAL/MIN, 45 L/MIN
Maximum Inlet Pressure Rating	5500 PSI, 380 BAR	Standard Setting Pressure	1500 PSI, 103.5 BAR
Pressure Control Range	1000-3000 PSI, 69-210 BAR

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