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RDH083S15 - 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:	Backordered

SKU RDH083S15

$59.38/each

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	Pressure Control Range	100-1500 PSI, 6.9-103.5 BAR
Standard Setting Pressure	750 PSI, 51.7 BAR	Valve Material	All parts steel. All operating parts hardened steel
Maximum Pressure Setting	1500 psi	Seal Material	Nitrile
Maximum Tank Pressure	5000 psi	Maximum Inlet Pressure Rating	380 bar
Function	Direct Acting	Cracking Pressure	N/A psi
Adjustment Mechanism	Screw	Cavity Size	C08-2
Minimum Operating Temperature	-34 °C	Pressure Control Range	100-1500 psi
Mounting Type	Screw in cartridge valve	Port Thread Size	N/A
Operating Temperature	-30 to +250 °F	Actuation Type	Pressure Sensing
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Flow Rate	45 L/min
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Pressure Control Sensitivity	218 per turn psi	Body Material	N/A
Installation Torque	31 Nm	Maximum Operating Pressure	5500 psi
Weight	0.19 kg	Division	Hydraulic Systems Division
Reseat Pressure	75% of pressure setting	Operation Type	Automatic
Standard Setting Pressure	51.7 bar	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Maximum Operating Temperature	+250 °F	Minimum Operating Pressure	380 bar
Leak Rate	10 @ 75% Crack Pressure drops/min	Maximum Flow Rate	12 Gal/min

Product resources

Literature and Reference Materials