FooD & DriNk ProcessiNG 41
Polymer seals play important role
in food and water applications
n food production, polymers are at
From deep seas to
productive fields, polymer
products and solutions
I
hand from the very beginning. In the
cultivation of fields for crop growing,
tires protect the soil from unnecessary
help to seal, damp and
damage. Once the crops are harvested and being
protect in water and
processed, seals, millions of which are fitted
food applications.
Donna Guinivan and
throughout food processing systems, help
Margareta Mildsommar
prevent contamination, even in difficult and
report.
demanding dairy production. This is also the
case for high technology hoses, which are
regularly used by wine producers for all the best
Des eaux de mer
vintages.
profondes aux champs
Finally, at the end of the manufacturing
agricoles, les produits
process, trucks equipped with damping solutions shaped or ‘onion’ shaped. The pillow shaped
et solutions à base de
polymères contribuent
transport these essentials to consumers tank is ideal for water and other aqueous
à étanchéiser, amortir
worldwide. solutions and has a standard capacity range of
et protéger dans les
With regard to water-related products, rubber 3700 to 75 000 litres, while the onion tanks are
applications aquatiques et
is vital in certain critical applications. Sealing specifically designed for storage of potable and
alimentaires. Un reportage products are used extensively in the treatment non-potable water and have a capacity range of
de Donna Guinivan et
and transportation of drinking water. They range 3780 to 11 350 litres. The onion tank comes in
Margareta Mildsommar.
from large gaskets used in wastewater treatment three configurations – open top, roll top, to
plants and infrastructure, to tiny but equally keep contamination out, and zipper top, which
important O-Rings found in faucets in homes. prevents both contamination and evaporation.
Polymerprodukte und
-lösungen werden in
Globally, as the sea levels are rising land Both formats are easily rolled up and
vielen Feldern – vom
protection is of growing concern. Technology transported and can be custom ordered to
Tiefseebereich bis zu
used for flood defence systems in flood-prone specific capacities. Pumps, hoses and water
Fertigungsgebieten countries, such as the Netherlands, is being distribution sets are part of the solution, making
– verwendet, um transferred to projects worldwide. In this type of the water containers suitable for both military
Anwendungen
application, rubber products help to waterproof authorities and relief agencies.
im Wasser und
foundations and divert watercourses.
Nahrungsmittelsysteme
Congested roads are also becoming an
Processing food
abzudichten,
anzufeuchten oder zu
increasing problem, particularly around In a processing plant, processing dairy products
schützen.
metropolitan areas. With little land to divert or other kinds of food, there are thousands of
Donna Guinivan und
traffic to, underground road tunnels are lengths of piping and at each juncture there is a
Margareta Mildsommar
becoming longer and larger. Gaskets are an coupling sealed with clamp gaskets and O-Rings.
berichten. integral part of these, preventing water ingress Ineffective sealing frequently results in
into underground arterial routes. production stops for maintenance, or even
Polymers are also present in a wide range of unplanned part replacements. Carefully
seawater applications, such as mooring systems matching the seal material to the process media
that protect ships when docking in harbour. and the aggressive chemicals used in cleaning
Subsea rubber and polymer products contribute regimes maximizes the life of seals and gaskets.
to the safety of personnel and equipment This improves production efficiency, reducing
involved in oil and gas exploration. One example overall costs for the manufacturer. From
is VIV suppression products that protect high-performance EPDM elastomer compounds
pipelines from the destructive vortex-induced to advanced materials, such as Resifluor and the
vibrations caused by underwater currents. perfluoroelastomer Isolast, Trelleborg Sealing
Solutions offers the right sealing material for
Water-filled onions
diverse operating conditions. p
Collapsible water storage containers from the
UK-based Trelleborg company, Dunlop GRG, Donna Guinivan and Margareta Mildsommar are
can be supplied in two formats, either pillow with Trelleborg Sealing Solutions. www.trelleborg.com
www.scientistlive.com
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