Welch 1.2 cfm DryFast Ultra 2-Head Diaphragm Chemical Duty Pump


SKU# 2042

A$ 6,590.00 A$ 6,590.00 6590.0 AUD

A$ 6,590.00

Excl. GST

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    SKU # : SKU# 2042

    Terms and Conditions

    Welch DryFastTM PTFE oil-free diaphragm vacuum pumps enable precise vacuum control for organic evaporations with exclusive Advanced Vapor Management (AVM). Oil-Free, portable, chemical resistant, 2-head diaphragm design simplifies maintenance, no more frequent and costly oil change. Constructed with solid PTFE heads, PTFE diaphragms, Kalrez valves and utilizing fluorinated plastics on all wetted surfaces, these economical DryFastTM vacuum pumps are perfect for tough lab applications.

    AI is now the official dealer of Welch vacuum pumps. These pumps are made in USA with one year warranty from Welch.

    Free three feet 3/8" (9.5mm) white premium food grade silicone vacuum tubing ($19.99 value) included.



    • Advanced Vapor Management (AVM) for precise setting of vacuum level
    • Vacuum to 2 torr (2.6 mbar, 0.266 kPa)
    • Strips DMF fast
    • Chemically resistant
    • No oil changes, no cold trap required for water/alcohol solutions
    • Virtually maintenance-free solution for laboratory environment
    • Smaller footprint than oil pump saves lab space
    • Designed to work with rotary evaporators


     Electrical requirements
     220-240 Volts 50/60Hz single phase 1/5 HP, 150 watts
     Application Rotary evaporation/distillation (low volatility solvents < 160oC B.P., ~2 liter), centrifugal
     concentrators, vacuum ovens (mid-size), pumping harsh vapors & gases.
     Pumping rate
     1.2 cfm
     Ult. vacuum pressure
     2 torr / 2.7 mbar / 0.266 kPa
     Maximum vacuum 29.85 in. Hg
     Intake (vacuum connection)
     3/8" (9.5mm) hose barb
     Exhaust 1/4" (6.4mm) hose barb
     Adjustable vac./gas ballast Yes
     Pump dimensions (LxWxH)
     350 x 170 x 220 mm
     Shipping dimensions (LxWxH)
     530 x 360 x 380 mm
     Pump weight
     10 kg
     Shipping weight
     11.5 kg
     Certification CSA
     Manual Click here to download


    Standard package

     Part description


     Welch 2042 1.2 cfm full chemical-resistant oil-free diaphragm pump
    1 pc
     White premium food grade silicone vacuum hose
    3 ft
     User's manual
    1 pc