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RDH083K30 - 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 RDH083K30

$73.52/each

Products specifications

Attribute name	Attribute value
UOM	EA	Seal Material	Nitrile
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	Adjustment Mechanism	Knob
Port Thread Size	N/A	Minimum Operating Temperature	-34 °C
Mounting Type	Screw in cartridge valve	Cavity Size	C08-2
Flow Rate	12 Gal/min	Pressure Control Sensitivity	27 per turn bar
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Pressure Control Range	1000-3000 psi
Operating Temperature	-34 to +121 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Actuation Type	Pressure Sensing	Weight	0.43 lb
Maximum Operating Pressure	5500 psi	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Body Material	N/A	Operation Type	Automatic
Reseat Pressure	75% of pressure setting	Division	Hydraulic Systems Division
Installation Torque	31 Nm	Standard Setting Pressure	1500 psi
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Minimum Operating Pressure	380 bar
Maximum Operating Temperature	+121 °C	Leak Rate	10 @ 75% Crack Pressure drops/min
Maximum Pressure Setting	210 bar	Maximum Flow Rate	45 L/min
Seal Material	Nitrile	Valve Material	All parts steel. All operating parts hardened steel
Maximum Tank Pressure	350 bar	Maximum Inlet Pressure Rating	5500 psi
Function	Direct Acting	Cracking Pressure	N/A psi

Product resources

Literature and Reference Materials