Vacuum Pumps for Vacuum Filtrations

Many filtrations require only minimal vacuum to proceed; deep vacuum is not required. Vacuum pump flow required is roughly proportional to the total surface area of filters being used. Filtration of particulate-clogging samples can be improved somewhat with deeper vacuum, but a combination of larger filter surface area, smaller samples, and sequential use of decreasing porosity filter papers may also be required for timely filtration. Choose a standard duty vacuum pump for aqueous vapors; use a PTFE pump for resistance to harsh chemicals.

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  1. PILOT3000 Economical Chemical Resistant Diaphragm Vacuum Pump

    Starting at from $483.28 Sale $434.96

  2. PILOT3000 Vacuum Filtration Kit - General & Biological Applications

    Starting at from $612.24 Sale $520.41

  3. PILOT5000 Chemical Resistant Diaphragm Vacuum Pump

    Starting at from $773.32 Sale $695.99

  4. Welch Diaphragm Pump - Vacuum filtration

    Starting at from $890.00 Sale $801.00

  5. Welch DryFast Collegiate Diaphragm Pump

    Starting at from $1,525.00 Sale $1,372.50

  6. Welch DryFast Diaphragm Pump

    Starting at from $2,365.00 Sale $2,128.50

  7. Welch Gemini

    Starting at from $710.00 Sale $639.00

  8. Welch WOB-L Pump

    Starting at from $365.00 Sale $328.50

  9. Welch WOB-L Pump

    Starting at from $1,465.00 Sale $1,318.50

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