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Industrial Large Capacity Magnetic Stirrer Agitator for Reactor Bottom Mixing 1-450 RPM

Industrial bottom-mounted magnetic stirrer for large reactor vessels. Seal-less design, 1-450 RPM speed range, 316L stainless steel wetted parts. Ideal for chemical, pharmaceutical, and food processing applications requiring clean, reliable mixing without shaft seals.

Note: Please contact our sales team before placing an order. Website prices are for reference only; specific pricing requires understanding your requirements to provide a quote.
Email:info@ace-chn.com
Tel: +86 186 2683 5909
WeChat: ace-chn
WhatsApp: +86 186 2683 5909

Price range: $3,644.98 through $4,642.61

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Optional agitator
Propeller mixer

Recommend RPM: 0-960RPM
Viscosity: Low/medium viscosity
Application: Mainly Liquid mixing

Paddle mixer

Recommend RPM: 0-200RPM
Viscosity: Low/medium viscosity
Application: Mainly Liquid mixing

Frame Agitator

Recommend RPM: 30RPM
Viscosity: Medium/High viscosity
Application: Melting, High viscosity product mixing, For single wall tank

Scraper agitator

Recommend RPM: 30RPM
Viscosity: Medium/High viscosity
Application: Melting, High viscosity product mixing, For jacket tank

Dispersion mixer

Recommend RPM: 1480/2850 RPM
Viscosity: Low/medium viscosity
Application: Liquid powder mixing and dispersion

Homogenizer

Recommend RPM: 2800 - 3200 RPM
Viscosity: Low/medium/High viscosity
Application: Liquid powder mixing and homogenizing

Magnetic mixer
Magnetic mixer

Recommend RPM: 0-355RPM
Viscosity: Low/medium viscosity
Application: Install at bottom, No mechanical seal working condition

Anchor & Homogenizer combine

Recommend RPM: As above
Viscosity: Low/medium viscosity
Application: Liquid powder mixing and dispersion For tank volume >300L

Product description

Magnetic Stirring for Large Reactor Vessels

Bottom-mounted magnetic stirrers solve a problem that top-entry agitators often create: shaft sealing, maintenance access, and headroom. With no protruding shaft through the reactor top, you gain more usable vessel space and remove a common leak point. This unit is designed for reactors where clean, reliable mixing matters across a wide speed range—from gentle product blending at 1 RPM to aggressive dispersion at 450 RPM.

We build these stirrers around the actual process, not the other way around. The magnetic coupling transmits torque without a mechanical seal, which means no wear items in the seal area and no product contamination risk from seal lubricants. For processes involving solvents, acids, or sterile media, that\’s a meaningful advantage. The drive motor sits below the vessel, so the top remains free for manways, sensors, and charging ports.

Construction and Materials

The wetted parts are machined from 316L stainless steel as standard. If your process requires higher corrosion resistance, we can switch to duplex or super duplex grades. Internal surfaces are electropolished to Ra ≤ 0.4 µm, with orbital welding on all process connections. The magnetic rotor is fully encapsulated—no exposed magnets, no crevices where product can accumulate. That matters for CIP/SIP cycles and for processes where trace contamination is unacceptable.

How to Specify the Right Unit

Before requesting a quote, work through these points:

  • Product chemistry and concentration—especially chloride levels, which affect pitting resistance
  • Batch volume and working volume, not just total tank capacity
  • Operating temperature and design temperature
  • Pressure: atmospheric, pressurized, or vacuum
  • Viscosity and solids content at the highest expected concentration
  • Required mixing intensity—emulsification, suspension, or simple homogenization
  • Cleaning validation requirements and seal compliance standards

These details determine the torque rating, motor size, impeller geometry, and whether you need a cooling jacket on the drive housing. Send us your process data and we\’ll recommend a configuration that fits your production reality.

Technical Specifications

Speed Range 1 – 450 RPM
Drive Type Bottom-mounted magnetic coupling
Wetted Materials 316L SS (duplex available)
Surface Finish Ra ≤ 0.4 µm electropolished
Sealing Seal-less magnetic drive
Mounting Reactor bottom flange

Request a Configuration

Tell us your material, batch size, operating temperature, pressure, and mixing requirements. We\’ll respond with a technical proposal and pricing for a stirrer matched to your process.

Emma Johnson

Customer Review

We ordered a complete peanut butter processing line, and overall we’ve been very happy with it. The equipment arrived well packed and everything was installed and tested without major issues. The line runs smoothly, and the mixing and processing have been consistent. Our peanut butter comes out with a good texture, and the equipment is not difficult for our operators to use and clean. The support from the supplier was also helpful during setup. So far, it has been a good investment for our production.

Thomas Taylor

Customer Review

We’ve been using this mixing tank for our chocolate production and so far it has worked really well. The mixing is consistent, temperature control is good, and it’s easy to clean. Our operators have had no issues using it. Overall, we’re very happy with the tank.

Lauren Martinez

Customer Review

We’ve been using these mixing tanks for our production for several years. Every year, we usually add a few more tanks as our business grows, and the quality has always been very good. The tanks have been reliable and have worked well for our daily production. We’ve had a good experience with the equipment and the service, so we’ve continued coming back for more.

Amanda Davis

Customer Review

We ordered 2 mobile storage tanks and 2 mobile powder tanks for our production. Everything arrived in good condition and was packed well. The tanks are solid and easy to move around, which is really convenient for our daily work. The powder tanks have also been working well for storing and handling our ingredients. Overall, we’re very happy with the equipment and the service. Thanks for the great support!

Robert Wilson

Customer Review

We purchased a mixing tank for our ice cream production, and we are very satisfied with the equipment. The tank is well built, easy to operate, and works smoothly with our ice cream mix. The heating and mixing performance has been very consistent, which has helped us improve our production process. The equipment arrived in good condition and was well packaged. Overall, we are very happy with the quality and service.

David Miller

Customer Review

I ordered 8 jacketed mixing tanks and was very happy with the experience. The tanks arrived quickly and were very well packed. I checked all 8 units after delivery and there was no damage at all. Everything arrived in good condition. Thanks for the fast shipping and great service!

Michael Johnson

Customer Review

I worked closely with polly to develop our custom mixing tanks. All in all, very professional and responsive. we are happy to have them as our trusted supplier for all of our mixing equipments .

James Anderson

Customer Review

I am very happy with the product I bought, the quality exceeded expectations and the experience was great. Special thanks for the after-sales service provided by your company. The customer service staff was very kind and handled queries quickly and professionally. And provide detailed operation guidance, to solve my questions. The whole service process made me feel very reassured and considerate, which made me more trust in the brand. In the future, if there is a need, I will certainly continue to buy, and I will recommend it to friends around me. Thank you for your company and look forward to more cooperation!