Scientific Machine (SciMac) is your source for High-Quality PTFE laboratory products

Round Bottom Flask Agitators

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  • 6096 - Replacement Blades, 90° Semi-Circle

    PTFE Replacement Blades for 90° Radial Flow Agitators.

    Starting at: $144.20

  • 690-692 - Radial Flow PTFE Agitators, Semi-Circular 90° Blades, for 19mm Shafts

    High Viscosity PTFE Agitator with 4 90° semi-circle paddles provides total stirring at the bottom of 500mL through 4000mL reactors. Agitator attaches to the bottom of your stirrer shaft with our NPT Compression hub. Unit can also be permanently attached to our line of Teflon Sheathed shafts. Semi-circle blades are available in 38mm and 50mm heights, and are 6.5mm thick, for 10mm and 19mm ID shafts.

    Starting at: $189.52

  • 691 - Radial Flow High Viscosity PTFE Agitator, Semi-Circular 90° Blades, with Glass Filled Teflon Bolt Attachment, for 19mm, 28mm, and 30mm Ø shaft

    Radial flow agitator with 4 90° pie shaped paddles. The 691 Agitator has quarter circle blades which are designed for low placement in a spherical Flask. Supplied with a PTFE bolt and nut for secure positioning on the stirring shaft. Unit can also be permanently attached to our line of PTFE sheathed stirrer shafts. The increased depth of the blades imparts more energy to the load.

    Starting at: $231.75

  • 692 - Radial Flow PTFE Agitator, Four 90° Blades, for 25.4mm Ø shaft

    Lower Radial Agitator - PTFE, 10" OD x 1.0" ID, 4 - .375" x 3.00", 4 - 90° Height Round Bottom Blades, Compression Hub for Reactor Vessels

    Starting at: $496.36

  • 692 - Replacement Parts

    Replacement parts for SciMac PTFE Radial Flow Agitator, 90° Semi-Circle Blades, For Round Bottom Reaction Vessels, Part Number 692.

    Starting at: $4.38

  • 693 PTFE Radial Flow Agitator, 90° Semi-Circle Blades, with Lower Centering Dimple

    High Viscosity PTFE Agitator with 4 90° semi-circle paddles provides total stirring at the bottom of 10L through 50L reactor flasks with 138mm, 200mm & 300mm Flange. Excellent when heavy slurries are being mixed. Agitator attaches to the bottom of you stirrer shaft with our NPT Compression top hub and with a Glass filled PTFE screw for added strength. The lower centering bore accepts stabilizing pins on drain valve caps or flask with centering dimples to reduce wobble or whipping of the shaft. Unit can also be permanently attached to our line of Teflon Sheathed shafts. Blades for 19mm shafts are 50mm high and 6.5mm thick, while blades for 25.4mm and 30mm shafts are 60mm and 75mm high and 9.5mm thick.

    Starting at: $286.45

  • 696-699 - Heavy Duty PTFE Radial Flow Agitator, Semi-Circular 90° Blades, for 19mm, 25.4mm, 30mm, and 31.75mm Ø Shafts

    High Viscosity PTFE Agitator with 4 90° semi-circle paddles provides total stirring at the bottom of 10L through 100L reactors. Excellent when heavy slurries are being mixed. Agitator attaches to the bottom of you stirrer shaft with our NPT Compression hub. Unit can also be permanently attached to our line of Teflon Sheathed shafts. Blades for 19mm shafts are 50mm high and 6.5mm thick, while blades for 1.00” and 30mm shafts are 57mm and 75mm high and 9.5mm thick. 31.75mm shafts offer blade sizes of 75mm by 9.5mm thickness.

    Starting at: $328.88

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