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Parker RAH161K50V - 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. RAH161K50V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	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	-15 °F
Weight	0.34 kg	Maximum Operating Pressure	350 bar
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Function	Pilot Operated	Maximum Tank Pressure	350 bar
Cavity Size	C16-2	Maximum Inlet Pressure Rating	380 bar
Maximum Operating Temperature	+400 °F	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-26 to +204 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	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	34.5-350 bar
Installation Torque	121-125 lb-ft	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	Fluorocarbon
Adjustment Mechanism	Knob	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	500-5000 PSI, 34.5-350 BAR	Flow Rate	80 GAL/MIN, 302.8 L/MIN

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