Laboratory Liquid Pumps

Lab liquid pumps are ideal for transferring liquids from one container to another in a controlled environment. They are essential for transporting or moving various regents, liquids, and corrosive chemicals from one container to another. Liquid pumps help maintain a consistent flow rate regardless of factors, including viscosity. Flow consistency is vital for maintaining accuracy with various experiments and processes.

Available at Thomas Scientific is a range of lab peristaltic pumps suitable for sensitive or corrosive liquids. Syringe pumps are also excellent for delivering precise and accurate volumes of liquid to support cell growth applications.

Microfluidic pumps are designed for applications that involve manipulating tiny volumes of fluids on microscales. Microfluidic pumps can control flows in the microliter or even nanoliter range.

Some pumps have additional accessories that provide easy maintenance, cleaning, and tubing replacement options to ensure clean and precise results.



Alongside our liquid pumps you will also find a range of lab vacuum pumps.

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  • Gas-tight barrel pump with flexible discharge hose for filling off into large canisters and containers. Convenient transfer because the canister can stay on the floor. The connection cone is held onto the container. The gas-tight barrel pump enables odour-free transfer. During transfer with…

  • Backlit LCD Continuous dispense volume display Model 7888R96 is a single syringes infusion pump holding one syringe, 10 µL to 60 mL. 

  • DWK Life Sciences (Wheaton)

    Programmable dual speed peristaltic pump; 75 & 150 rpm Icon driven 5” interface For use with 2 – 8 mm ID tubing Dispense range 0.01 – 999.99mL The Wheaton UniSpense PRO is an intelligent peristaltic pumps for all of your dispensing needs. Whether you are…

  • 5-pack AirChek ® XR5000 Pump Kit, high flow and low flow sampling, with five each: XR5000 pumps with high-power Li-Ion battery, filter cassette holders, adjustable low flow holders, constant pressure controllers, protective Type A tube covers, (1) five-station Multi-charger, 100-240V, and one…

  • The telescopic immersion tube adapts itself to the container height on insertion of the foot pump. This ensures good removal of residual liquid and means that the foot pump can be used with different containers. Simple handling: Both hands remain free for filling Very good pump capacity…

  • Device for easy operation to quickly fill off watery liquids from containers higher up to containers lower down. Works according to the siphoning principle: Liquid needs only to be primed once, therefore especially handy for complete emptying of a container. LDPE/PVC Pump capacity 9…

  • Peristaltic pump for continuous delivery in speed ranges from 0.2 to 100 revolutions per minute rotarus® flow 50 is a comfortable, precise delivery pump with control options for velocity and flow speed. Performance class with 50 Watt ensures exact delivery in speed ranges from 0.2 to 100…

  • The Micro-Perfusion Pump is a miniature, single or dual, channel, full-featured peristaltic pump designed for specific ranges of flow rates conducive to microscopy. Unlike most peristaltic pumps that are driven by stepper motors, the Micro-Perfusion Pump is driven by a tachometer regulated,…

  • The Watson-Marlow accessories are suitable for use with DPM dispensing and transfer pump models, which are mainly used to overcome fluid handling challenges in various industries. These accessories ensure versatile, smooth and uninterrupted functioning of the transfer pumps.

  • This Rieke pump is for dispensing solvents and non-corrosive liquids. The self-venting design eliminates a need for an air vent opening. Pump includes a plastic Flex-spout mounting cap and a stabilizing metal strap for mounting to Sigma-Aldrich 20 L Flex-spout cans. Pump may also be used with…

  • NF100KT.18S, NF100TT.18S LIQUIPORT Liquid transfer pumps with brushless DC motor for improved service life and integrated overheating protection PP head, PTFE coated diaphragm, and FFKM valves Simple and intuitive operation Self priming, can run dry. Analog control Splashproof IP5,…

  • Peristaltic pump for continuous delivery in speed ranges from 0.2 to 100 revolutions per minute rotarus® standard is the powerful basic model in the peristaltic pump series. The cost-effective, precise delivery pump for small delivery volumes and high viscosities is ideal for flexible…

  • GoatThroat pumps, long valued for their innovative design combined with a simple, safe, and clean hand-operated fluid delivery system, bring another innovative advancement to the industrial marketplace. These small, versatile pumps can now safely be used with shop air, aircompressors or…

  • Dispensing with the intelligent rotation Hirschmann has now applied experience gained from dispensers with pistons to the principle of continuous delivery by a pump,  and this is reflected in the pump head series for piston pumps. The pump head is available with pistons in a…

  • The Sterisart® Gen 4 Pump features a compact, universal design that easily fits into various workspaces, including benchtops in laminar airflow cabinets, RABS, and sterility testing isolators. Select the model that meets your needs with the convenience of built-in upgradability.

  • Watson-Marlow

    The 300 series of interchangeable OEM pumpheads also includes the 304MC and 308MC microcassette pumpheads with a choice of four rollers for higher flow or eight rollers for higher precision. Microcassette pumpheads are available with three or 5 pumping channels.

  • Bürkle

    When decanting flammable liquids without the machines and containers involved in the process being sufficiently earthed, electrostatic build-up can occur, which for many substances can result in fire or an explosion. Bürkle’s Anti-static set ensures easy and reliable earthing. The…

  • Mini solvent pump reliable filling of small quantities The Mini solvent pump is a high-quality hand pump for small containers such as bottles, canisters and tanks up to about 10 litres. For reliable filling and dosing of solvents and readily flammable liquids. Simple principle - highly…

  • rotarus® smart rounds off the selection of rotarus® pump drives in the basic segment.  The control panel on the housing enables simple and rapid configuration of the most important parameters, and the speed can be programmed directly on the unit.  Thanks to its low space…

  • Peristaltic pump for continuous delivery in speed ranges from 5 to 500 revolutions per minute rotarus® volume 100 is a comfortable, rapid dispensing pump for high flow rates with control options for velocity, flow rate, dispensing duration and total volume. Variable cycles and graduated…

  • MilliporeSigma

    The lab filtration pump that transfers filtered liquids directly to waste Designed to improve operation time and comfort Simply connect the pump to your manifold or filtration apparatus and place the discard tubing to drain and you are ready to filter. There is no need to use additional…

  • Watson-Marlow

    314X Four roller extension pumphead attaches to 314D/A or 313D2/A channels depending on drive torque.

  • NF1.300.KT.18S LIQUIPORT Liquid transfer pumps with brushless DC motor for improved service life and integrated overheating protection PP head, PTFE coated diaphragm, and FFKM valves Simple and intuitive operation Self priming, can run dry. Analog control Splashproof IP5, small…

  • Pump-it® canister pumps are designed for quickly and cleanly emptying canisters and small barrels up to 60 l. The hand pump is used to create excess pressure that forces the liquid out of the canister. Pump-it® is suitable for weak acids, alkalis and petrochemicals. Medium-contacting…

  • Flow Rate Range: 1-50 mL/min Power Voltage: 110-120 / 220-240 V~ Purification Technique: PLC Max Pressure: 300 bar Gilson products are intended for sale/shipment within the US only. International customers should contact their local Gilson distributor to place orders for Gilson products.

  • Watson-Marlow

    The Watson-Marlow manifold pump is mainly used to control and direct pumping of high value fluids or samples. It is used in pharmaceuticals, food and beverage industries and chemical processing.

  • The VERITY® Syringe Pumps provide speed and reliability to small- and large-volume, repetitive liquid transfers in HPLC, SPE, and other general liquid handling methods.These pumps work with many VERITY systems and are available in single syringe, dual syringe, and dual syringe with tee…

  • A device which allows a sampling pump to operate at low flow rates and with the optional adjustable low flow tube holders. The CPC is placed inline between the adjustable low flow tube holder and the pump inlet, and regulates the specific amount of pressure to be maintained across the needle…

  • Watson-Marlow

    The 120 Series are small, but full-featured, laboratory pumps with simple intuitive operation and four pumphead options to suit any application. Compact footprint requiring minimal benchtop space: stacks two high Four pumphead options, with 1-, 2-, or 3-channel options to cover any application …

  • Very flexible output/flow with the same pump Corrosion-proof with glass fiber reinforced polypropylene housings Adjustable stroke length and frequency Very low minimum outputs possible with 200:1 turndown ratios Maximum flow rates of up to 34 LPH at 60 psi …

  • The Safe-T-Feed® system keeps the concentrated peracetic acid product entirely contained and away from operator contact or contamination throughout the entire process. No bung removal is required to insert dip tubes, and no open drums means no accidental contamination.

  • Bürkle

    We offer a broad range of thread adapters. This facilitates the secure connection of many of our pumps and discharge cocks to a variety of containers. You will always find the correct connection thanks to the combination of different adapters.

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