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Parker RAH121F50V - 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. RAH121F50V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	Body Material	n/a
Maximum Operating Pressure	5000	Division	Hydraulic Valve Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-15	Flow Rate	50
Maximum Flow Rate	50	Weight	0.48
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Function	Pilot Operated
Maximum Tank Pressure	5000	Maximum Pressure Setting	5000
Pressure Control Sensitivity	n/a	Cavity Size	C12-2
Adjustment Mechanism	Fixed	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	-15 to +400
Maximum Operating Temperature	+400	Mounting Type	Screw in cartridge valve
Installation Torque	92-96	Standard Setting Pressure	2500
Pressure Control Range	500-5000	Reseat Pressure	80% of pressure setting
Leak Rate	82 @ 75% Crack Pressure	Seal Material	Fluorocarbon
Adjustment Mechanism	Fixed	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	500-5000 PSI, 34.5-350 BAR	Flow Rate	50 GAL/MIN, 189.5 L/MIN

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