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Parker RAH101S50N - 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. RAH101S50N

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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)	Weight	0.23 kg
Minimum Operating Temperature	-34 °C	Maximum Operating Pressure	350 bar
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Screw
Function	Pilot Operated	Cavity Size	C10-2
Maximum Tank Pressure	5000 psi	Maximum Inlet Pressure Rating	350 bar
Maximum Flow Rate	30 Gal/min	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	-34 to +121 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Installation Torque	69-75 Nm
Flow Rate	30 Gal/min	Maximum Pressure Setting	350 bar
Standard Setting Pressure	172.4 bar	Pressure Control Sensitivity	131.7 per turn bar
Pressure Control Range	13.8-350 bar	Reseat Pressure	90% of pressure setting
Leak Rate	5 per @ 100 psi (6.8 bar) setting cm3/min	Seal Material	Nitrile
Adjustment Mechanism	Screw	Maximum Inlet Pressure Rating	5000 PSI, 350 BAR
Flow Rate	30 GAL/MIN, 113 L/MIN	Pressure Control Range	200-5000 PSI, 13.8-350 BAR

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