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Parker RAH201K30 - 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. RAH201K30

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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	-34 °C
Maximum Operating Pressure	350 bar	Maximum Flow Rate	100 Gal/min
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Maximum Pressure Setting	210 bar	Operation Type	Automatic
Adjustment Mechanism	Knob	Function	Pilot Operated
Maximum Tank Pressure	350 bar	Cavity Size	C20-2
Maximum Inlet Pressure Rating	5500 psi	Weight	0.9 kg
Installation Torque	98 lb-ft	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	-30 to +250 °F	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Flow Rate	379 L/min
Standard Setting Pressure	103.5 bar	Pressure Control Range	300-3000 psi
Leak Rate	5 per @ 100 psi (6.8 bar) setting cm3/min	Reseat Pressure	80% of pressure setting
Pressure Control Sensitivity	59.7 per turn bar	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	100 GAL/MIN, 379 L/MIN

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