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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  • 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…

  • Franklin Electric

    4/10 hp Submersible High-Head Effluent Pump designed to handle 3/4" solids. Shut-off at 45', cast-iron base, motor housing and motor cover (thermoplastic cover on SFS models), thermoplastic elastomer non-clog impeller, thermal overload protection, and 1-1/2" FNPT discharge. Automatic "RF" versions…

  • 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…

  • 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…

  • Reliable filling of small quantities The Mini Solvent Pump is a high-quality hand pump for use with liquids and flammable media such as acetone, ethanol, isopropanol and methanol. Use with small containers such as bottles, canisters, carboys and tanks with GL45 threads, from 1 liter up to ~ 10…

  • NF1.100KT.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…

  • Bürkle

    Barrel pumps made of polypropylene allow a fast transfer of liquids from barrels, canisters and tanks. The good chemical resistance of PP allows acids, alkalis and aggressive detergents to be transferred. The low-mounted non-return valve of the barrel pump and the immersion depth that can be…

  • 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

  • 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.

  • Due to the high chemical resistance of the medium-contacting parts made of PTFE and FEP, even liquids which attack conventional materials such as PP or PVC can now be safely transferred (except for elemental fluorine) with this barrel pump. The barrel pump is also suitable for transferring…

  • 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…

  • 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…

  • Magnetically driven pumps for semi-corrosive chemicals and solutions. The Little Giant® MD-SC series features leakproof, seal-less magnetic drives and are designed for in-line, non-submersed use. These pumps feature polypropylene, ceramic, and Nitrile parts.

  • 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…

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

  • Non-submersible self-priming transfer pumps. Both in 115 V and 12 VDC, these models are designed to operate 15 minutes per hour. Model 370 is designed for higher and lower temperatures.

  • Franklin Electric

    4/10 hp Submersible Sewage Pumps designed to handle 3/4" solids. Permanent split capacitor (PSC) motor, heavyduty cast iron housing, volute and cover, non-clog thermoplastic elastomer impeller and thermal overload protection. The "RF" automatic models feature a “piggyback” mechanical float switch…

  • Non-submersible pump designed to pump weak acid and chemical with a pH factor of 6 to 7. Nylon front with 3/8" FNPT intake (1/2" I.D. hose adapter included), 1/4" MNPT discharge.

  • Franklin Electric

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

  • Franklin Electric

    Little Giant® swimming pool cover pumps help safeguard and protect your pool cover from prolonged accumulation of rain or melting snow. Available in manual and automatic versions, pool cover pumps easily adapt to a standard garden hose for water removal.

  • Heavy-duty Pump siphons up to 7 gallons per minute from 55-gallon drums. Moves up to 7 gallons of liquid per minute Compatible with mild solvents, light oils, diluted acids/caustics and disinfectants Maximum recommended viscosity: equal to 30-40 wt. oil

  • 4/10 hp submersible sump pump with cast iron housing (8-CBA and 8-CBM have cast bronze housing), polypropylene base, polycarbonate cover, thermal overload protection. “CIA” and “CBA” models have integral diaphragm switch with “on” level at 7" to 10" and “off” level at 1" to 4". 1-1/2" FNPT…

  • 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,…

  • 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…

  • 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…

  • Peristaltic pump for continuous delivery in speed ranges from 0.2 to 100 revolutions per minute rotarus® volume 50 is a comfortable, precise dispensing pump with control options for velocity, flow rate, dispensing duration and total volume. Variable cycles and graduated pump speeds can be…

  • 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

    Submersible Effluent Pump available with ? hp, ½ hp, or 1 hp, cast iron motor and pump housing, motor has oil-filled chamber with double ball bearing, designed for hi-torque and is thermally protected with automatic reset (single-phase only), 2? NPT discharge, piggyback mechanical float switch for…

  • Specifications: Dimensions H x W x D: 10 Inches x 6.5 Inches x 4.5 Inches Pump Head: PVDF Diaphragm: PTFE Coated Valves: FFPM Maximum Head Pressure: 14.5 psi Power Requirements: 115V, 60Hz Head Connections: 1/2” Compression Fittings PLEASE NOTE: DESIGNED FOR SCRUBBER…

  • 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…

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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…

  • 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…

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