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",…

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 …

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…

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…

The RZ6 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 RZ6 is an excellent choice for freeze dryers up to 6 liters, benchtop centrifugal concentrators or other…

Self-priming, completely submersible Output 3 1/4 gpm (12 Lpm) at one-foot (0.3 m) head, 2 gpm  (7.5 Lpm) at five-foot (1.5 m) head; maximum pressure 3.2 psi (22 kPa) Continuous-duty, 1.1 ampere motor, sealed and permanently lubricated, enclosed in epoxy-coated, cast-aluminum…

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…

Famous Durability Deep Vacuum to 10-4 torr Low RPM for cooler operation Address a wide variety of laboratory vacuum needs with these rugged oil-seal pumps. Use DuoSeal vacuum pumps for Schlenk drying manifolds, freeze drying, vacuum ovens, glove boxes, degassing, concentrations,…

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")…

Microsart Membrane Pumps: Microsart maxi.vac and mini.vac are electric neoprene membrane pumps (oil and maintenance free) with a low noise level and with precise control.

Full chemistry-design diaphragm backing pump Gauge to indicate proper function of backing pump The RC6 Chemistry-HYBRID vacuum pump combines rotary vane and diaphragm vacuum pump technology to support freeze-drying, molecular distillation, and other applications in the fine vacuum…

DirecTorr Gold oil is a synthetic hydrocarbon oil put through a double molecular distillation process. Gold oil is extremely stable under high temperature, has excellent resistance to chemical attack and provides superior protection for the pump's internal metal components. Recommended for…

Liquid Handling Equipment for 20L and 200L drums for safe and convenient dispensing of EMD Millipore products.

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…

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…

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…

1/2 hp Submersible High Head Effluent Pump designed to handle 3/4" solids. Shut-off at 50', heavy-duty cast iron housing, volute and impeller, thermal overload protection, and 2" FNPT discharge.

New Ai EasyVac 7 cfm (110V model) single-stage sliding-vane rotary compact vacuum pump with 3/8" hose barb vacuum connector. Comes with a 3-foot food grade silicone hose and a exhaust oil mist filter which also returns trapped pump oil back to the pump and makes the pump quieter to run. It is…

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.

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…

Compact, lightweight, light duty hand pumps Useful for numerous small volume vacuum or pressure requirements in the laboratory or field Provides vacuum of 25 inches Hg (85 kPa) Pumping rates of 15 or 36 cc per stroke Pumps are molded of polyvinyl chloride, with finger grips in squeeze-type…

Three features to extend service intervals: Cool running slows rate of corrosion and slows down rates of oil consumption Large oil capacity minimizes the rates of oil breakdown and reduces chemical attack within pump Internal surface protection on pump internals and PTFE coating on…

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 …

Specifications are identical to the standard 1400B models. Explosion proof units are specialized to prevent sparking etc. that could ignite a flammable gas mixture in the room. These pumps have to be hard-wired in by an electrician. Please contact customer service for technical requirements.

Exhaust Vane for Direct Drive Rotary Vane Pumps. Fits Thomas 7893R16, 1233K88, 7893R19, 1233K89, 7893R22, 1233K90. Fits Welch 8907A, 8907C-02, 8912A, 8912C-02, 8917A, 8917C-02. Phenolic material. 

Powerful vacuum for low temperature processing Economical, oil-free, ecologically sound Excellent solvent / acid resistance Use these durable dry diaphragm pumps to provide high flow, deep vacuum for your application. Welch Model 2052 pumps resist corrosive and solvent fumes to…

For use with bell jars up to 9" in diameter Plate is nickel-plated steel, 1 1/2" thick, ground flat to seal Has 1/4" hose connector; vacuum release valve and rubber sealing gaskets

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…

Drying pump used to dry the measuring cell on Excellence Density Meters. Mettler products are intended for sale/shipment within the US only. International customers should contact their local Mettler distributor to place orders for Mettler products.

Centrifugal Pump, Magnetic Drive, Stainless Shaft Ideal for OEM applications For continuous, heavy duty pumping of mildly corrosive solutions and suspensions in pH range 5 to 9, having viscosity to 20 cP, at temperatures to 65°C (150°F) Employs magnetic coupling to drive…

The Mini Laboport® vacuum pumps feature a corrosion resistant head, FFPM valves, and PTFE-coated diaphragm for excellent protection against the most aggressive corrosives. Easily transfer and evacuate most laboratory gases and vapors without contamination. The pumps are ideal for filtration,…