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Pilot Operated Relief Valves - RAH081S20N

Name: Pilot Operated Relief Valves - RAH081S20N
SKU: RAH081S20N

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 RAH081S20N

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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	100-2000 PSI, 6.9-138 BAR
Flow Rate	20 GAL/MIN, 75.8 L/MIN	Flow Rate	20
Seal Material	Nitrile	Body Material	n/a
Minimum Operating Temperature	-30	Maximum Operating Pressure	5000
Division	Hydraulic Valve Systems Division	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Weight	0.2
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Screw	Function	Pilot Operated
Maximum Tank Pressure	5000	Maximum Inlet Pressure Rating	5000
Maximum Flow Rate	20	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	-30 to +250	Maximum Operating Temperature	+250
Mounting Type	Screw in cartridge valve	Installation Torque	32-36
Standard Setting Pressure	1000	Maximum Pressure Setting	2000
Pressure Control Range	100-2000	Pressure Control Sensitivity	570 per turn
Leak Rate	5 per @ 100 psi (6.8 bar) setting	Reseat Pressure	90% of pressure setting

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