Overhead Stirrers

Overhead stirrers are vital in laboratories for tasks requiring the mixing of high-viscosity substances. These devices ensure a consistent and thorough mixing process, crucial for successful chemical reactions and formulations.

Laboratory overhead stirrers are designed to handle a variety of volumes and viscosities, making them suitable for everything from small-scale experiments to larger industrial applications.

Their robust construction and variable speed settings allow for precise control over the stirring process, improving the reproducibility of experimental results. Additionally, the durability and reliability of these stirrers ensure their long-term performance in demanding laboratory environments.

Thomas Scientific also carry a variety of other stirrers depending on your unique laboratory needs.

Overhead Stirrers

Products (48)

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  • PB-900™ Series Programmable Jar Testers

    The Phipps & Bird state-of-the-art programmable model elevates jar testing to a new level of precision by utilizing four operator-programmable memory banks that offer virtually unlimited stirring capabilities: Each bank may be programmed with paddle speeds from 5 to 300 rpm in 1-rpm increments 1...

  • RW 20 Digital Stirrer

    Speed range: 60-2000 rpm Stepless speed control Ambient temperature range: 5 to 40°C The RW 20 digital stirrer offers two speed ranges for universal use from 60 to 2000 rpm. Stirrer has a slim ergonomic design, digital display and constant power drive. Push-through agitator shafts are used...

  • VELP® Scientific Clamp for Overhead Stirrers

    The VELP® SCIENTIFIC double clamp and ribbon clamp are suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. They are easy to handle and convenient to use.

  • Overhead Stirrer

    OHAUS Achiever 5000 Overhead Stirrers are designed for powerful, precise stirring, safety and simplicity in all applications. The sealed design has an IP54 rating and ensures safe mixing performance even in the most demanding applications. The keyless chuck and software-controlled speed ramping...

  • LH Overhead Stirrers

    The LH is the ideal solution for medium-high viscosity liquids. The technopolymer structure ensures optimum chemical resistance and enhanced handling, preventing any possible rust and being extremely light. The robust motor ensures years of continuous operation, with no extra costs for maintenance....

  • Telescopic H-Stand

    The VELP Telescopic H-Stand allows even heavy accessories to be lifted and lowered effortlessly. The stand has an adjustment handle to move the stirrer. The Telecopic H-Stand is compatible with all VELP Overhead Stirrers.

  • Accessories for Caframo Overhead Stirrers

    Thomas No. 1177M32 Chuck key includes tool for removal from stirrer’s output shaft for cleaning or replacement. Thomas No. 1177M33 Chuck compatible for High Torque and Compact Caframo stirrers, accepting impeller shafts up to 10 mm (3/8”) diameter. Chuck key includes tool for removal...

  • Petite Digital Overhead Stirrer, Model BDC250

    The ultimate in compact design measuring only two by four inches. The BDC250 offers great capabilities in a small package; used in formulation, R&D, clinical research, education labs, anywhere a magnetic stirrer is used. It fits into small spaces and can be easily transported to other labs or...

  • Overhead Stirrers Accessories

    Thomas No. 1203B76 Stirrer diameter: 55 mm Thomas No. 1203B77 Stirrer diameter: 45 mm Thomas No. 1203B78 Stirrer diameter: 42 mm Thomas No. 1183U39 Stirrer diameter: 50 mm

  • Stirrer Accessories, Blades

    Shaft Stirrers/Blades Unaffected by virtually all chemicals PTFE construction Unbreakable and will not scratch vessels Usable to 260°C Of virgin PTFE, immune to most chemical attacks (except molten alkali metals). Excellent anti-adhesion properties promote thorough cleaning and eliminate...

  • Corning® 4 x 5 Inch Top PC-210 Stirrer, 100V/60Hz

    These Corning® stirrers have a durable glass-ceramic 4 x 5 inch Pyroceram® top and offer superior performance and reliability in a low profile, space-saving design. Exclusive closed-loop stirring control monitors and regulates the stirring speed for aqueous, viscous, or semi-solid solutions. A...

  • Digital Stir-Testers

    Medium Duty, Model HST10 Totally enclosed, 1/17 hp, permanent magnet DC motor Direct-drive, with rpm/torque readout and X-Y output Maximum rpm: 2,500 Torque: 1.5 lbs.-in. (1.73 kg-cm) Direct drive provides 20 to 2,500 rpm and 1.5 lb.-in. torque. Available for 120 or 240 V, 50/60 Hz operation....

  • Double Vacuum/Gas Manifolds With Glass Plugs

    For connecting inert gas and vacuum sources Stopcock has metering groove cut into the plug to provide fine control of vacuum and inert gases. Distance between stopcocks is 65 mm for 8651N01 and 100 mm for 8651N03. Include patented pressure/vacuum retainers. Dimensions (mm): 8651N01: 230 L x 87 H x...

  • Hei-TORQUE Overhead Stirrers

    The Heidolph overhead stirrers of the Hei-TORQUE series are perfectly designed for powerful stirring, in order to achieve best mixing results even for very challenging applications. Hei-TORQUE Expert These stirrers are ideal for standard stirring tasks. They are designed to mix and disperse media...

  • Benchmark’s Overhead Stirrers

    Benchmark’s Overhead Stirrers feature advanced LCD controls for accurate display of both speed and run time. The stirrers include a support stand complete with mounting hardware.  The mixer is easily attached at the desired height for compatibility with a wide range of vessels (up to 24...

  • Parts/Accessories for Reusable Spinner Flasks

    400640 & 402645: Reusable Spinner Direct Top Drive Motor High torque, low rpm stirrer motor specifically designed to maintain constant low speed for use on top of Corning® Reusable Spinner Flasks. The gearhead stirrer motor delivers 14.5 in-lbs of torque and has a maximum speed of 350 rpm....

  • Digital Stir-Tester Accessories

    Stirrer Shafts, with 4-Blade Propeller Shaft diameter 6.4 mm, with stainless steel, 4-blade propeller on one end Listings show shaft length x propeller diameter Stirrer Shaft, with 3-Blade Propeller 8 mm-diameter shaft has stainless steel propeller and includes coupling Shaft length 222 mm;...

  • Stir-Pak® and Servodyne™ Mixer Accessories

    Tank clamp lets you mount a mixer head and a controller support (either model 04552-70 or 04552-75) directly onto an open top drum or container (maximum 1-1/2" [38 mm] wall thickness) Support stand has an electropolished cast steel base and 303 stainless steel support rod measuring 29"H x 5/8" dia...

  • Ultra Torque Overhead Stirrer, Model BDC1850

    Caframo’s ultra torque stirrers are designed and engineered specifically to meet the continuous demands of heavy industrial use. The heart of the BDC line is the high performance Brushless Direct Current (BDC) motor.  A unique two speed transmission provides incredible amounts of...

  • Heidolph Hei-TORQUE Overhead Stirrer Accessories

    Blades Stainless steel with 400 mm shafts

  • Corning® 4 x 5 Inch Top PC-210 Stirrer, 230V/50Hz

    These Corning® stirrers have a durable glass-ceramic 4 x 5 inch Pyroceram® top and offer superior performance and reliability in a low profile, space-saving design. Exclusive closed-loop stirring control monitors and regulates the stirring speed for aqueous, viscous, or semi-solid solutions. A...

  • MINISTAR digital Overhead Stirrers

    The space-saving high performers from IKA MICROSTAR and MINISTAR series have been complemented by additional models. The new and easy-to-use stirrers convince with perfect basic functionalities, as well as with a compact design. Combining high performance with particular excellence, they require...

  • EUROSTAR Overhead Stirrers

    Thomas No. 1205W04 Laboratory stirrer designed for simple stirring tasks for quantities up to 15 l (H2O). It automatically adjusts the speed through microprocessor controlled technology within the speed range of 0/30 - 2000 rpm. Safety circuits installed ensures automatic cut-off in an anti-stall or...

  • Crossover Batch Mixer, Model 1540

    A powerful combination of torque and electronic sophistication. The robust 1/2 horsepower motor, PC/PLC connectivity and extensive features make the Caframo Crossover unparalleled in the market. Mixing up to 200 litres (55 gallons) in basic pre-mix, complex pilot scale, or full production batches...

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