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Parker RDH083S30 - 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.

AFP Availability:	Quote Required
Partner Available:	13 In Stock

Brand Parker

Part No. RDH083S30

$83.30/each

Products specifications

Attribute name	Attribute value
UOM	EA	Port Thread Size	N/A
Flow Rate	45 L/min	Reseat Pressure	75% of pressure setting
Maximum Operating Pressure	5500 psi	Actuation Type	Pressure Sensing
Seal Material	Nitrile	Weight	0.19 kg
Maximum Inlet Pressure Rating	380 bar	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Cracking Pressure	N/A psi
Adjustment Mechanism	Screw	Valve Material	All parts steel. All operating parts hardened steel
Maximum Pressure Setting	210 bar	Pressure Control Sensitivity	27 per turn bar
Function	Direct Acting	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Maximum Tank Pressure	5000 psi	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Pressure Control Range	69-210 bar	Cavity Size	C08-2
Maximum Operating Temperature	+250 °F	Standard Setting Pressure	103.5 bar
Mounting Type	Screw in cartridge valve	Maximum Flow Rate	12 Gal/min
Leak Rate	.66 @ 75% Crack Pressure cm3/min	Operation Type	Automatic
Body Material	N/A	Minimum Operating Temperature	-30 °F
Installation Torque	23 lb-ft	Operating Temperature	-34 to +121 °C
Division	Hydraulic Systems Division	Minimum Operating Pressure	380 bar
Seal Material	Nitrile	Adjustment Mechanism	Screw
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

Product resources

Literature and Reference Materials