A Magnetic Agitator (also known as a magnetic mixer or mag-drive agitator) is a device that mixes liquids or suspensions using magnetic coupling to drive an impeller without any mechanical shaft penetrating the vessel. This creates a completely sealed, leak-proof system.
Magnetic Agitator Video
How It Works
An external drive unit (with magnets or electromagnets) rotates outside the tank, generating a magnetic field that couples with an internal impeller (containing magnets) inside the vessel. The impeller spins to agitate the contents, with no direct physical connection. Common configurations include bottom-mounted (most popular for sterile applications) or top-mounted.
Key Advantages
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Hermetic sealing — Eliminates leaks, contamination risks, and the need for mechanical seals (which can wear out).
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Aseptic and hygienic design — Ideal for clean-in-place (CIP) and sterilize-in-place (SIP) processes.
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Low maintenance — No seals to replace; some models allow “dry running” or mixing to the last drop.
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Safety — Suitable for hazardous, high-pressure, or high-purity applications.
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Efficiency — Gentle or high-shear mixing depending on impeller design; scalable from lab to large tanks.
Applications
Magnetic agitators are widely used in industries requiring sterility, purity, or safety:
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Pharmaceuticals and biotechnology (e.g., bioreactors, fermenters).
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Food and beverage (aseptic processing).
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Chemicals (handling corrosive or explosive materials).
* Power voltage can be adjusted as per customer’s domestic power voltage requirements.
* Rights of technical improvements & modification reserved.
* Illustrations & dimensions are shown for information purpose only.
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