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Direct Acting Relief Valves - RDH081S50N

Name: Direct Acting Relief Valves - RDH081S50N
SKU: RDH081S50N

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 RDH081S50N

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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	200-5000 PSI, 13.8-350 BAR
Flow Rate	0.5 GAL/MIN, 1.9 L/MIN	Seal Material	Nitrile
Body Material	n/a	Maximum Operating Pressure	5500 psi
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-34 °C	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
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	5500 psi	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	Installation Torque	32-36 lb-ft
Flow Rate	1.9 L/min	Maximum Flow Rate	0.5 Gal/min
Pressure Control Sensitivity	1910 per turn psi	Maximum Pressure Setting	350 bar
Standard Setting Pressure	2500 psi	Pressure Control Range	13.8-350 bar
Reseat Pressure	90% of pressure setting	Leak Rate	0.33 @ 75% Crack Pressure cm3/min

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