Overhead Stirrers

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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

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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...

  • Air-Driven Stirrers

    Arrow Engineering

    Model 8583J10: Produces propeller speeds from approximately 200 to 10,000 rpm Compact and quiet; operates on compressed air at pressures from 30 to 100 psi (210 to 690 kPa) Sturdy, smooth-running motor develops 1/6 hp (120 W) at 80 psi (550 kPa) input Speed is variable by adjustment of valve which...

  • 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...

  • Stainless Steel Over Head Drive Impeller Assembly 3L Full Width

    Manufactured from 316l stainless steel for standard bioreactor vessels. Use with over head drive motors.

  • 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.

  • Stainless Steel Hi-Torq Over Head Drive Impeller 36L Short Width

    Material: 316l stainless steel with ra32 finish or better Size: 36l Paddle size: 3" tall x 12" wide

  • 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...

  • PW Overhead Stirrers

    The PW is the optimum solution for stirring 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...

  • 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

  • Stainless Steel Hi-Torq Over Head Drive Impeller 8L Short Width

    Material: 316l stainless steel with ra32 finish or better Size: 8l

  • Saint-Gobain Chemware® PTFE Fluoropolymer Stirring Rod

    Inert to corrosives Easy to clean Bendable into shapes These Saint-Gobain Chemware ® PTFE Fluoropolymer Stirring Rods contain a fully enclosed steel insert for stiffness, yet can bend into various shapes for use with powders. Heat resistant to 550° (288°C) and completely inert to highly corrosive...

  • MM-1000 Overhead Stirrer Multi Mixer, 120v & Accessories

    The MM-1000 is designed for stirring liquids up to 20 litres. It is a quiet and reliable mixer that provides stable continuous mixing for up to 7 days and features 3 types of motion: Rotational, Reciprocal and Vibration. It is an ideal instrument for biotechnology, organic synthesis, analytical...

  • 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...

  • Stirrer Accessories

    Accessory for OS20-Pro LCD, OS40-Pro LCD, OS20-S LED and OS40-S LED Digital Overhead Stirrers. Blade stirrer Gentle processing samples, used at low and medium speeds Polytetrafluoroethylene (PTFE) coating has low coefficient of friction against a solid

  • 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...

  • J-KEM® Miniature Overhead Stirrers

    More power than stirrers ten times its size! Incredible 91in-oz of power yet fits in the palm of your hand! Safety - Low Voltage - Sparkless Sealed motor housing isolates motor from organic vapors Low voltage operation - Sparkless motor runs on 16 volts Convenience - Weighs less than 1lb CE Marked...

  • LS Overhead Stirrers

    The LS is suitable for use with low/medium 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....

  • 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....

  • 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...

  • 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;...

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