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Parker RAH161K20 - 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. RAH161K20

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Products specifications

Attribute name	Attribute value
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)	Flow Rate	80
Maximum Flow Rate	80	Weight	0.75
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Function	Pilot Operated	Maximum Tank Pressure	5000
Cavity Size	C16-2	Maximum Inlet Pressure Rating	5500
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Operating Temperature	-30 to +250
Maximum Operating Temperature	+250	Mounting Type	Screw in cartridge valve
Standard Setting Pressure	1000	Maximum Pressure Setting	2000
Installation Torque	121-125	Pressure Control Range	200-2000
Pressure Control Sensitivity	539 per turn	Leak Rate	5 per @ 100 psi (6.8 bar) setting
Reseat Pressure	90% of pressure setting	Seal Material	Nitrile
Adjustment Mechanism	Knob	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	200-2000 PSI, 13.8-138 BAR	Flow Rate	80 GAL/MIN, 302.8 L/MIN

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