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.

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  • 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…

  • GoatThroat® Pumps work by pressurizing a container to dispense liquids with one touch, as easily as using a faucet. A few strokes of the piston can pressurize any container from 2-gallon jugs to 55-gallon drums. One-touch flow control dispenses liquids at a controlled rate to prevent…

  • 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.

  • 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…

  • Franklin Electric

    Centrifugal Self-Priming Effluent Pump available with ½ hp or ¾ hp, cast iron casing, higher than NEMA service factor dual compartment motors, built-in check valve facilitates fast priming and guards against siphoning action. Self-priming effluent pumps designed for installations with septic tanks…

  • Franklin Electric

    Little Giant® Aquarium series magnetic drive pumps are specifically designed for salt water and fresh water aquarium circulation and filtration applications.

  • Magnetically driven pumps for highly corrosive chemicals and solutions. The Little Giant® MD-CK series features leakproof, seal-less magnetic drives and are designed for in-line, non-submersed use. These pumps feature polyvinylidene fluoride, PTFE, carbon, ceramic and Fluoroelastomer (FKM) parts.

  • With universal plug made of soft PVC, for container volumes Ø 30-70 mm Scope of delivery: Pump ball, universal plug, cutter and 10 disposable delivery tubes OTAL pump with disposable delivery tube made of PE, for single use.In OTAL pumps the medium being transferred comes in contact only…

  • 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.

  • Solvent pump foot operated for filling off high purity liquids such as solvents. Pouring flammable liquids All medium-contacting parts are made of stainless steel AISI 304 (1.4301) and PTFE. The Bürkle anti-static set can be used to ground the pump for dispensing flammable liquids so…

  • Watson-Marlow

    SCI Q Speed range 0.5-90 rpm Switch selectable from 100-120 V to 220-240 V Digital closed-loop 180:1 speed control Pump liquids from 0.0003 to 21 mL /min per channel through 4 to 32 channels. Cartridges can be added or removed without disturbing pumping action of remaining…

  • 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.

  • Simple and Intuitive Operation Easy Calibration Cycle mode and adaptable to fluid characteristics Self priming, can run dry and dose up to 999 ml in one cycle Various control options Splashproof IP65 Small footprint

  • Simple and Intuitive Operation Easy Calibration Cycle mode and adaptable to fluid characteristics Self priming, can run dry and dose up to 999 ml in one cycle Various control options Splashproof IP65 Small footprint

  • 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…

  • 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…

  • 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,…

  • TPM Variable-Speed Transfer Pumps PumpPro® TPM Variable speed transfer pumps 20 to 1 speed control Reversible Pump features 20 to 1 speed control and reversible flow. Versatile, easy-loading pumphead with spring-loaded rollers accepts seven tubing sizes without…

  • Little Giant performance, plus energy savings — the ES Series pumps are a line of energy-saving, high performance, fully submersible sump, sewage and effluent pumps designed for the professional plumbing contractor. ES Series Pumps consume less energy while delivering greater pump flow and…

  • Franklin Electric

    1/3 hp pedestal sump pump with 1/4" solids handling capability. 1-1/4" FNPT discharge. Automatic float switch with adjustable on/off levels.

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    Franklin Electric

    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…

  • 1/3 hp Automatic Utility pump with durable reinforced thermoplastic pump casing, continuous duty ?oil free” motor, bottom suction design with built-in strainer to eliminate internal damage from possible debris, removable filter screen for easy cleaning, and 1-1/4? NPT discharge. SP33A features an…

  • 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…

  • Peristaltic pump for continuous delivery in speed ranges from 5 to 500 revolutions per minute rotarus® standard is the powerful basic model in the peristaltic pump series. The cost-effective, rapid delivery pump for high flow rates is ideal for flexible applications, thanks to the use of…

  • The Bürkle barrel pump made of stainless steel AISI 304 (1.4301) is suitable for filling combustible and easily flammable liquids. The barrel pump can conduct electricity and therefore fulfills the requirements for handling flammable liquids in combination with the accessory antistatic set. …

  • Dosing pumps are mounted by you in your existing container closure. To do this, a suitable hole is drilled in the cap. Then the pump is inserted through the hole and screwed in place from below. A matching container connection is not included in the scope of delivery. Medium-contacting parts…

  • 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,…

  • 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.

  • 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…

  • Centrifugal Pump, Magnetic Drive, Ceramic Shaft (7884J25, J45) Non-submersible pumps with leakproof, seal-less magnetic drive 99.5% pure alumina ceramic shaft and thrust washers for long trouble-free service in use with harsh solutions Self-lubricating carbon impeller bushing which is…

  • 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,…

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