Pumps Products (333)

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  • Standard Duty Dry Oilless Vacuum Pumps

    Economical Oil Free Adjustable Vacuum / Pressure Use these affordable oil-free pumps to provide convenient vacuum throughout the lab. Welch WOB-L piston pumps provide adjustable vacuum for filtration, SPE, vacuum ovens, and more. These pumps are an efficient alternative to water aspirators. Select...

  • Accessories For Duo Seal Pumps

    DUOSEAL pump oil with low vapor pressure, ideal viscosity is recommended for use with DUOSEAL or any other belt-driven vacuum pump. No additives or inhibitors. Exhaust filters trap oil mist and reduce noise. Replaceable elements reduce maintenance costs.

  • Aspirator Filter Pumps

    Humboldt Aspirator Filter Pumps offer excellent performance for vacuum filtrations under both high and low water pressure conditions. The pumps feature a ball-type, positive-action valve in the suction tube which prevents water backflow if the pressure is reduced.

  • Utility Vacuum Pumps

    Standard Duty Handy Welch pump is perfect for basic lab vacuum operations. Dry or aqueous vapors only, portable, vacuum or pressure, 115V

  • Legato 101 Infuse Only Dual Syringe Pumps

    Accommodates syringes 0.5ul to 10ml. User definable flow rates with selectable target volume or time values to control the total infusion volume. Features : Holds one or two syringes from 0.5ul to 10ml High resolution color touch screen Unparalled ease of use Touch pad "lock" feature LED...

  • Vacuum Aspirator Collection System

    This compact, portable system is ideal for vacuum aspiration of a variety of liquids, including tissue culture media, supernatants, and chemical wastes and is available with the original strength or HiFlow pump. Self-contained system with 1.0 gallon bottle, tubing and vacuum pump is lightweight,...

  • 6 Series Sump Pumps

    Franklin Electric

    1/3 hp submersible sump pump with cast iron housing, polypropylene base, polycarbonate cover, and thermal overload protection. “CIA” models have integral diaphragm switch with “on” level at 7" to 10" and “off” level at 1" to 4". The 6-CIA-RS has a piggyback diaphragm switch with same “on/off”...

  • BestValueVac® Vacuum & Degassing Chambers

    This is a complete BestValueVac® vacuum chamber setup designed built and 100% tested in Chicago, Illinois. With our unique patent pending gasket design (Utility Patent #14/533,548) this chamber is sure to last 10,000 uses with proper care and maintenance. The gasket itself is reversible...

  • Thomas Mini Variable-Speed Peristaltic Tubing Pumps

    labForce® (powered by Thomas Scientific)

    Compact, variable-flow, bi-directional pump offers adjustable flow delivery Ideal for use with conductivity flow-thru cells, liquid chromatography, collecting fractions, pH/circulating fluids or buffers in baths, and moving corrosive materials Four different tubing sizes ( 1/16", 3/32",...

  • 5 Series Utility Pumps

    Franklin Electric

    5 Series: 1/6 hp Submersible Sump/Utility Pump with cast aluminum housing, plastic base, bottom sump-type pick-up with removable plastic screen, pumps down to 1/8", thermal overload protection, 1" FNPT discharge with a garden hose adapter. 5-ASP features a diaphragm pressure switch with...

  • Laboratory High Vacuum Pump

    Two Stage: Produces 25 micron ultimate Pressure                          Rotary Sliding Vane: Provides 85 liter per minute (3cfm) capacity and operates quietly Direct Drive: Reduces space needed Gas Ballast:...

  • OmniSpense ELITE Peristaltic Dispensing Pump

    Programmable variable speed peristaltic pump; 0.5 - 400 rpm Icon driven 5” interface For use with 2 – 8 mm ID tubing Dispense range 0.01 – 999.99mL Accommodates multiple pump heads System allows for speed ramping, flow mode and programmable drawback The Wheaton OmniSpense ELITE is...

  • Silicone-Free Vacuum Greases

    Excellent vapor pressure and low outgassing properties; for contamination-free use and better vacuums Silicone-free- no migration or contamination Excellent lubrication Easy application and cleaning Stable, chemically inert and non-toxic; fully compatible with most modern vacuum components APIEZON H...

  • PILOT5000 Chemical Resistant Diaphragm Vacuum Pumps

    Model PILOT5000 and PILOT5000C-02 diaphragm vacuum pump are durable and chemical resistant. All contact surfaces are PTFE coated. They come with a liquid inlet trap and vacuum regulator making it a perfect choice for vacuum filtration, desiccation, and other mid-range vacuum applications. The...

  • Exhaust Filters

    Filters trap exhaust oil mist and reduce pump noise. They are supplied with housing and replaceable filter.

  • Submersible Oil-Filled Pumps

    These pumps feature an oil-filled motor housing with a radial lip seal on the motor shaft. They have an exceptional life expectancy because oil serves as a continuous lubricant for all the moving parts and the shaft seal. This non-toxic dielectric oil, often paired with an aluminum, cast iron or...

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