Pumps Products (260)

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...

Durable, chemical resistant PTFE construction Easy to operate and maintain Use Welch ® DryFast ® diaphragm vacuum pumps for tough applications requiring chemical resistance. DryFast’s Advanced Vapor Management controls vacuum for precise distillations using handy adjustment knob....

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.

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

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...

This two stage vacuum pump is CE approved and comes ready to operate. With an easy to carry design, it is smaller, lighter and more portable. This high performance, powerful pump provides free air displacement of 2.5CFM@50Hz and 3.0CFM@60Hz and runs steadily for a long period of time. Comes complete...

High-density polyethylene aspirator pump operates on water pressure above 11psi (7584 N/m2). Integral check valve resists corrosive filtrates and fumes Quick-disconnect hose fitting accepts 6.4 to 9.5mm (1/4 to 3/8") I.D. tubing Male thread faucet connection is 9.5mm (3/8") I.D Maximum...

Affordable Model 2019 vacuum pump is durable and chemcial resistant. Use Model 2019 for vacuum filtration, desiccation, degassing, and other mid-range vacuum applications. Free air flow 37L/min; Maximum vacuum 24" Hg. Pump can also be used to pressurize up to 18 PSIG. Comes standard with 115V...

The new family of BVC fluid aspiration systems are the first to account for the needs of a modern Biology laboratory. Three models: Basic, Control and Professional to serve your fluid aspiration needs Containment: 2 or 4 liter vessels for safe collection and disposal of your biological waste; an...

Ai WaterVac 0.7 cfm is an oil-free, portable, chemical resistant, 2-head recirculating water pump, with simplified maintenance, and no frequent and costly oil change. All major parts are made of PTFE, these economical vacuum pumps are perfect for tough lab applications. Free three feet 3/8"...

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:...

The PILOT3000 Chemical Duty Vacuum pump is constructed from quality parts, manufactured in the USA and offered at an affordable price.  This Laboratory Vacuum pump is library-quiet - the noise level is only ~ 54 dB small, durable, and chemical resistant! The PILOT3000 is nearly maintenance-free...

A vacuum pump excellent for many laboratory fluid movement applications including vacuum filtration and solid phase extraction, as well as degassing, and evaporation of volatile solvents. Ultimate vacuum: 52Torr (70mbar) Free air capacity: 38 lpm (1.4cfm) Whisper Quiet. Operation at ultimate vacuum...

The High Output Pump features a piston-driven design for greater power. The Chemical Duty Pump has a chemically-resistant head and diaphragm for use with corrosive chemicals and solvents. The High Output and Chemical Duty pumps can support high flow rates to decrease process filtration time. The...

The RZ2.5 is part of the VACUUBRAND® XS series of rotary vane vacuum pumps. These pumps have been designed from the ground up for best performance in laboratory applications. The RZ2.5 is an excellent choice for small freeze dryers, small centrifugal concentrators or other low-temperature...

SMF-010: EZ-Swap Vacuum Pump Exhaust Oil Mist Filter with KF25 Fittings Our new EZ-Swap series vacuum pump exhaust oil mist filter is re-designed to allow you to exam and replace filter element in a snap. Built-in observation window gives you easy visual access to filter element without opening the...