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Model 520 Pumps

The Model 520 has been designed to convert the Model 521 from an isocratic pump to a gradient HPLC system.  Full operation and gradient control programming is achieved through the keypad on the front panel of the Model 520.  The Model 520 includes a high pressure integral static mixer, connecting tubing, and all the accessories necessary to quickly convert the Model 521 to gradient operation.  UHPLC (Maximum pressure: 15,000 PSI) is available for Analytical flow.     

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