DRYFAST® & DRYFAST ULTRA®
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DRYFAST® & DRYFAST ULTRA® - 1

DRYFAST & DRYFAST ULTRA Welch Improves Dry Vacuum Pump Technology ® • Advanced Vapor Management (AVM) • Vacuum to 2-torr (2.6 mbar, 266 Pa) • Strips DMF fast* • Chemically resistant • Oil-free operation Welch® improves dry vacuum pump technology with the new DRYFAST® and DRYFAST ULTRA® having built-in Advanced Vapor Management (AVM). AVM means precise control capability for the distillation of organic solvents and applications handling aggressive vapors and gases. Constructed with solid PTFE heads, PTFE diaphragms, Kalrez® valves and utilizing fluorinated plastics on all wetted surfaces, these dry vacuum pumps are designed to meet your ever-challenging chemical duty laboratory needs. The six new models feature flows to 70 l/min and ultimate vacuum levels down to 2-Torr. No cold traps are needed to operate. These stand-alone vacuum pumps need very little maintenance leading to low cost of ownership and improved productivity. Welch® application certifies DRYFAST® and DRYFAST ULTRA® for rotary evaporation, concentrators, evaporators, vacuum ovens, filtration, degassing, and other chemical applications. See back page for the complete model specifications and information. *Strip 2-4 ml/min of DMF at 35˚C when using a dry ice condenser. Welch® - Applied Vacuum Technology for the Laboratory Gardner Denver Thomas, Inc., Welch Vacuum Technology

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DRYFAST® & DRYFAST ULTRA® - 2

Evaporation • Filtration • Vacuum Ovens Rotary Evaporators • Concentrators • Gel Dryers Model Free Air Displacement CFM (L/min) @ 60Hz m3/hr (L/min) @ 50Hz Ultimate Pressure, Torr (mbar) Maximum Vacuum, inches of Hg Motor Horsepower (watts) Tubing Needed, I.D. inches (mm) Weight, lbs. (kg) L in. (cm) W in. (cm) H in. (cm) Shipping Weight, lbs. (kg) Shipping Carton Dimensions L x W x H in. (cm) Wired for 115V, 60Hz, 1Ph with N. American 115V plug Wired for 230V, 50Hz, 1Ph, IEC Cord with Continental Euro. (Schuko) plug Wired for 100V, 50/60Hz for Japan Pump Specifications* DRYFAST ULTRA...

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