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Pilot Operated Relief Valves - RAH081S50N

Name: Pilot Operated Relief Valves - RAH081S50N
SKU: RAH081S50N

Parker’s pilot operated relief valves are designed for continuous duty applications featuring great stability with low pressure drop; working with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm).

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SKU RAH081S50N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Adjustment Mechanism	Screw
Maximum Inlet Pressure Rating	5000 PSI, 350 BAR	Pressure Control Range	200-5000 PSI, 13.8-350 BAR
Flow Rate	20 GAL/MIN, 75.8 L/MIN	Seal Material	Nitrile
Body Material	n/a	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-34 °C	Maximum Operating Pressure	350 bar
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Screw	Function	Pilot Operated
Maximum Tank Pressure	350 bar	Maximum Inlet Pressure Rating	350 bar
Weight	0.2 lb	Maximum Flow Rate	20 Gal/min
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 Pressure Setting	350 bar
Standard Setting Pressure	2500 psi	Pressure Control Sensitivity	131.7 per turn bar
Pressure Control Range	13.8-350 bar	Leak Rate	5 per @ 100 psi (6.8 bar) setting cm3/min
Reseat Pressure	90% of pressure setting	Flow Rate	75.8 L/min

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