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Parker RAH161K30 - 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. RAH161K30

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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)	Weight	0.34 kg
Flow Rate	80 Gal/min	Maximum Flow Rate	80 Gal/min
Minimum Operating Temperature	-34 °C	Maximum Operating Pressure	350 bar
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Maximum Pressure Setting	3000 psi	Operation Type	Automatic
Adjustment Mechanism	Knob	Function	Pilot Operated
Maximum Tank Pressure	5000 psi	Cavity Size	C16-2
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	Standard Setting Pressure	103.5 bar
Pressure Control Sensitivity	58.9 per turn bar	Pressure Control Range	20.7-210 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	Seal Material	Nitrile
Adjustment Mechanism	Knob	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	300-3000 PSI, 20.7-210 BAR	Flow Rate	80 GAL/MIN, 302.8 L/MIN

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