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Mixers and Stirrers

Sealing Solutions for Mixers and Stirrers

Mixers and stirrers require dynamic sealing solutions that are suited for food contact and numerous process media like polar, fatty and other nonpolar media. They also need to withstand cleaning agents and CIP/SIP processes at high temperatures. Freudenberg Sealing Technologies provides sealing solutions such as rotary shaft seals and guide bands for the rotating shafts of mixers and stirrers.

The seals are made of premium PTFE compounds, which are considered to be especially pure and highly media resistant. In addition, they provide a uniquely long service life due to their optimized friction behavior.

For especially demanding applications where strong forces are at work and shaft runouts are an issue, we have developed the Radiamatic® HTS II EWS, which consists of a rotary shaft seal and a bellow element. This design is able to seal the shaft securely, while shaft runouts are prevented by the force absorption of the bellow element.

Another special solution for beverage applications is the new “Gerromatic” radial shaft seal. It features a wave-like sealing lip that allows for sealing up to pressures as high as 8 bar. In addition, the service life of the seal is increased through reduced friction, significantly reducing leakage. This makes this seal a great choice when it comes to sealing liquids.

FST Mixer

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MIXERS

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