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Parker RAH121F10 - 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. RAH121F10

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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	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	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	-30 to +250	Maximum Operating Temperature	+250
Mounting Type	Screw in cartridge valve	Installation Torque	92-96
Maximum Pressure Setting	1000	Standard Setting Pressure	500
Pressure Control Range	100-1000	Reseat Pressure	80% of pressure setting
Leak Rate	82 @ 75% Crack Pressure	Seal Material	Nitrile
Adjustment Mechanism	Fixed	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	100-1000 PSI, 6.9-69 BAR	Flow Rate	50 GAL/MIN, 189.5 L/MIN

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