Vacuum Pumps

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  • Image of Thomas Chem-Resistant Check Valve

    Thomas Chem-Resistant Check Valve

    Tubing barbed check valves are constructed of chemical-resistant Kynar body and Viton valve for an inert high purity smooth and clear flow path. Use with acids, bases, water, chemical processing, and alcohols. Use for liquids, gases, pressure, and vacuum applications. Operating ranges are 0 to 50...
  • Image of Air Pump

    Air Pump

    Item #: 7893E50
    An oilless single-cylinder, positive displacement pump Motor mounted piston has self-lubricating Teflon sealing rings Provides oil-free exhaust at pressure up to 75 psi (520 kPa) or vacuum up to 25” Hg in continuous operation Produces pressure to 100 psi (690 kPa) in intermittent operation...
  • Image of Aspiration/Pressure Transfer Stations

    Aspiration/Pressure Transfer Stations

    Oil free 115 or 230V versions Autoclavable receiver Standard oil-free station is an economical portable solution for aspirating or filtering. Unit will shut off automatically when 1.2 L collection receiver is full. All wetted parts are treated for corrosion protection from moisture. Units are...
  • Image of Aspirator Pump

    Aspirator Pump

    Safely handles corrosive and volatile vapors No faucet connections Pulseless vacuum Quiet and safe Aspirates solvents without the need for cold or chemical traps; ideal for use with rotary evaporators, electrophoresis gel driers and distillation or filtration apparatus Uses a ten-liter...
  • Placeholder Image for Buchi Vacuum Pump V-700/710 Secondary Condenser

    Buchi Vacuum Pump V-700/710 Secondary Condenser

    Vacuum Pump V-700/710 compact high performance condensers for producing maximum condensation of residual solvent vapor after the pump. At the same time it separates any liquid solvent from the pump, putting it directly into the receiving flask. Insulation sleeves prevent the formation of...
  • Placeholder Image for Buchi Vacuum Pump V-700 & V-710 Accessories

    Buchi Vacuum Pump V-700 & V-710 Accessories

    V-700/710 Secondary Condensers Vacuum Pump V-700/710 compact high performance condensers for producing maximum condensation of residual solvent vapor after the pump. At the same time it separates any liquid solvent from the pump, putting it directly into the receiving flask. Insulation sleeves...
  • Placeholder Image for Buchi V-850/855 Vacuum Controller Accessories

    Buchi V-850/855 Vacuum Controller Accessories

    1229D81 - Buchi V-850/855 Vacuum Controller Valve combined with condensate trap and non-return valve with attachment for Rotavapor (not necessary with V-700/710 in stand-alone systems). 1229D82 - Buchi RC-81 remote control can be used to control the vacuum controller and the Rotavapor: rotation,...
  • Placeholder Image for Buchi V-850 / V-855 Vacuum Controller

    Buchi V-850 / V-855 Vacuum Controller

    To make the most of the potential of our Buchi Vacuum Pumps, we recommend a Vacuum Controller. The intuitive operating concept is suitable for a wide range of applications, from simple control of the set vacuum to automatic distillation of complex mixtures. Eliminate bumping with evaporation...
  • Image of BVC 21 Vacuum Pump

    BVC 21 Vacuum Pump

    A portable stand-alone aspiration system when house vacuum is not available Vacuum-on-demand Corrosion-resistant Oil-free Quiet operation Precise touch-sensitive hand controller Convenient, stand-alone fluid aspirator with automatic vacuum control and portability. On-demand vacuum system isolates...
  • Image of Cell Culture Aspiration Stations

    Cell Culture Aspiration Stations

    Autoclavable receiver High flow Bleach resistant construction Cell culture stations are a portable solution for aspirating tissue culture samples. Unit will shut off automatically when 1.2 L collection receiver is full. All wetted parts are treated for corrosion protection from moisture. Units are...
  • Image of Chemstar Vacuum Pumps

    Chemstar Vacuum Pumps

    High contamination tolerance Vital parts corrosion resistant Reduced frictional wear Nitrogen purge standard Easy attachment of accessories Recommended for use with gases such as HCl, HBr, Br2, Cl2, O3, HOAC, F3CC02H, CH20,...
  • Image of Diaphragm Air Pump

    Diaphragm Air Pump

    Motor driven for moderate vacuum and pressure work Air flow maintained by pumping action of a neoprene diaphragm, driven by air-cooled, induction-type motor Cast aluminum base and pump housing Free air capacity 3.6 Lpm and vacuum 12” Hg 120 V, 60 Hz; connectors take 1/4-inch i.d. tubing....
  • Image of Digital Vacuum Gages

    Digital Vacuum Gages

    DIGIVAC™ 100TC For laboratory, industrial refrigeration and scientific use Measurement range: 0.1 to 199.9 torr or 1 to 1999 microns No user calibration or adjustment The DIGIVAC 100TC is well suited for troubleshooting applications as small changes can be seen almost instantly and the readings are...
  • Image of Direct Drive Pumps

    Direct Drive Pumps

    Single-Stage and Two-Stage Models Portable, lightweight and compact Replaceable pumping module Vacuum or pressure pump Cooling provided by forced-air blower Gas ballast minimizes condensation of exhaust vapors, purges pump oil. Quick disconnect inlet is 5/8”; requires 1/2” bore tubing....
  • Image of Directorr Direct Drive Vacuum Pumps

    Directorr Direct Drive Vacuum Pumps

    Two-stage laboratory pumps Compact Lightweight Reliable Portable two-stage pumps consist of back-to-back rotors with movable vanes to produce high efficiency vacuum. Made from heavy-duty cast iron and aluminum, these pumps operate quietly and occupy less space than belt-drive pumps. All have valves...
  • Image of Dry Vacuum Systems

    Dry Vacuum Systems

    The right solution for rough vacuum applications Standard duty or chemical duty One and two stage configurations Portable Use no oil Welch Dry Pumps provide a steady vacuum, unaffected by opening another faucet (water aspirators) or stopcock (house vacuum). There is no contaminated waste water to...
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