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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.

Direct Acting Relief Valves - RDH081S30N

Name: Direct Acting Relief Valves - RDH081S30N
SKU: RDH081S30N

Parker’s direct acting relief valves are available in several cavity sizes and are designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm).

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SKU RDH081S30N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Adjustment Mechanism	Screw
Maximum Inlet Pressure Rating	5500 PSI, 380 BAR	Pressure Control Range	200-3000 PSI, 13.8-210 BAR
Flow Rate	0.5 GAL/MIN, 1.9 L/MIN	Seal Material	Nitrile
Body Material	n/a	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-30 °F
Function	Direct Acting	Configuration	Pressure Relief
Actuation Type	Pressure Sensing	Maximum Pressure Setting	210 bar
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Screw	Wire Mesh Screen Included	n/a
Maximum Tank Pressure	350 bar	Weight	0.2 lb
Maximum Inlet Pressure Rating	380 bar	Installation Torque	43-49 Nm
Maximum Operating Temperature	+121 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-34 to +121 °C	Mounting Type	Screw in cartridge valve
Maximum Operating Pressure	380 bar	Flow Rate	0.5 Gal/min
Maximum Flow Rate	0.5 Gal/min	Pressure Control Sensitivity	859 per turn psi
Standard Setting Pressure	1500 psi	Pressure Control Range	200-3000 psi
Reseat Pressure	90% of pressure setting	Leak Rate	5 @ 75% Crack Pressure drops/min

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