Always the Right Seal
Sealing Challenges in the Beverage Industry
In the beverage industry, flavor transfer, high temperatures and aggressive cleaning media play an important role. Sealing solutions from Freudenberg Sealing Technologies have very high resistance and prevent flavor transfer in different sectors, such as breweries or the production of soft drinks.
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Challenges in the Beverage Industry in Detail
Seals for breweries need to withstand aggressive cleaning processes (CIP/SIP steam sterilization based on concentrated acid), as well as challenging process media like salt deposits (beer scale), high temperatures and a high CO2 content. In addition, the materials need to be highly abrasion resistant due to the wort.
Seals for coffee machines need to be highly temperature and steam resistant. Another challenge is the sometimes-aggressive cleaning agents that are necessary to remove all coffee and milk residues. Due to their direct contact with milk, seals need to be resistant to fat as well as water. The most important challenge for seals is not to influence the taste of the coffee. As a result, they must not absorb any flavors or other media and transfer it to the coffee.
In milk production and filling, the high fat content of the product media is a big challenge for seals. Due to exacting hygiene requirements, the cleaning process includes lye and long sterilization cycles. The seals’ design needs to conform to Hygienic Design standards to prevent any contamination of the milk by product or cleaning agent residues.
Water is a sensitive product, which results in extremely tough demands regarding hygiene and cleanliness. This means that sealing solutions need to be designed according to Hygienic Design standards. In addition, the sealing materials need to withstand aggressive CIP/SIP processes and cleaning agents and to prevent flavor transfer, e.g. from different flavored waters.
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Sealing Solutions for Applications in the Beverage Industry
Due to the many different applications, there are a variety of challenges for seals in the beverage industry that need to be overcome.
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