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*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

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.

Manufacturer: Parker

Availability:	Backordered Estimated Lead Time: 36 days
Partner Available:	13 in stock

SKU RDH083S30

$77.19/each

Bypass upcharge for backordered quantity

Products specifications

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

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