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Parker RAH121S10V - 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. RAH121S10V

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Products specifications

Attribute name	Attribute value
Seal Material	Fluorocarbon	Body Material	n/a
Maximum Operating Pressure	5000 psi	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-26 °C	Configuration	Pressure Relief
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Screw	Function	Pilot Operated
Maximum Tank Pressure	5000 psi	Cavity Size	C12-2
Maximum Inlet Pressure Rating	5500 psi	Maximum Operating Temperature	+204 °C
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-26 to +204 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Installation Torque	92-96 lb-ft
Weight	0.22 kg	Maximum Pressure Setting	1000 psi
Standard Setting Pressure	500 psi	Pressure Control Range	100-1000 psi
Pressure Control Sensitivity	23 per turn bar	Reseat Pressure	80% of pressure setting
Flow Rate	189.5 L/min	Leak Rate	82 @ 75% Crack Pressure cm3/min
Maximum Flow Rate	189.5 L/min	Seal Material	Fluorocarbon
Adjustment Mechanism	Screw	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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