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

RDH083T30 - 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: 71 days
Partner Available:	Backordered

SKU RDH083T30

$73.08/each

Products specifications

Attribute name	Attribute value
UOM	EA	Seal Material	Nitrile
Adjustment Mechanism	Tamper Resistant	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	Mounting Type	Screw in cartridge valve
Port Thread Size	N/A	Pressure Control Range	1000-3000 psi
Pressure Control Sensitivity	27 per turn bar	Flow Rate	45 L/min
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Actuation Type	Pressure Sensing
Operating Temperature	-30 to +250 °F	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Body Material	N/A
Installation Torque	31 Nm	Weight	0.43 lb
Maximum Operating Pressure	5500 psi	Standard Setting Pressure	1500 psi
Division	Hydraulic Systems Division	Reseat Pressure	75% of pressure setting
Operation Type	Automatic	Leak Rate	.66 @ 75% Crack Pressure cm3/min
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Minimum Operating Pressure	380 bar
Maximum Flow Rate	12 Gal/min	Maximum Inlet Pressure Rating	380 bar
Maximum Tank Pressure	350 bar	Maximum Operating Temperature	+121 °C
Valve Material	All parts steel. All operating parts hardened steel	Maximum Pressure Setting	210 bar
Seal Material	Nitrile	Function	Direct Acting
Cracking Pressure	N/A psi	Adjustment Mechanism	Tamper Resistant
Cavity Size	C08-2	Minimum Operating Temperature	-34 °C

Product resources

Literature and Reference Materials