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Parker RAH161K10 - Pilot Operated Relief Valves

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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Brand Parker

Part No. RAH161K10

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Products specifications

Attribute name	Attribute value
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	-30 °F
Maximum Operating Pressure	350 bar	Configuration	Pressure Relief
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Knob	Function	Pilot Operated
Maximum Tank Pressure	5000 psi	Cavity Size	C16-2
Weight	0.75 lb	Maximum Inlet Pressure Rating	380 bar
Maximum Operating Temperature	+121 °C	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
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Maximum Pressure Setting	69 bar	Standard Setting Pressure	500 psi
Pressure Control Range	100-1000 psi	Pressure Control Sensitivity	285 per turn psi
Installation Torque	164-170 Nm	Reseat Pressure	90% of pressure setting
Leak Rate	5 per @ 100 psi (6.8 bar) setting cm3/min	Flow Rate	302.8 L/min
Maximum Flow Rate	302.8 L/min	Seal Material	Nitrile
Adjustment Mechanism	Knob	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	100-1000 PSI, 6.9-69 BAR	Flow Rate	80 GAL/MIN, 302.8 L/MIN

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