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The DuPont Kalrez LS390 series of perfluoroelastomer sanitary seals have been designed specifically for use in sectors such as life sciences, food and beverage, and pharmaceutical. Kalrez LS390 provides longer seal life and tighter sealing, which improves productivity and process optimisation. Moreover, the new seals create a safer

environment in the day-to-day running of process plants and manufacturing facilities. Kalrez LS390 seals are available in the UK from authorised distributor Dichtomatik.

There are a number of problems that can be experienced in sanitary seal applications, many of which are related to thermal and chemical resistance challenges, compression set (permanent deformation), and high static friction (stiction). Such issues can lead to intrusion in the production line or dead space, which in turn elevates the risk of contamination or leakage. Kalrez LS390 has been purpose-designed to overcome these common challenges by providing high hardness properties (Shore A3 88), low stiction, temperature resistance up to 220°C and outstanding chemical resistance to process chemicals, WFI (water for injection), and SIP and/or CIP processes. For users, these properties facilitate greater mean time between repair (MTBR), delivering bottom-line cost savings.

Among early adopters of the parts is a major pharmaceutical plant in Japan. Here, Kalrez LS390 has successfully been deployed in an infusion-drop product operation that uses pure steam SIP. The manufacturer chose Kalrez LS390 because of its improved chemical resistance and low stiction performance.

Problems had been experienced previously with the company’s existing material (silicone rubber seals), which had issues with steam resistance and high stiction, resulting in a short maintenance period of six months. However, after switching to Kalrez LS390, the performance improvements have been substantial. The sanitary seals provide excellent resistance to chemicals and pure steam SIP, lasting a year without any damage on the contacting surface. These performance attributes have helped to increase productivity, lower maintenance costs and minimise unscheduled downtime, resulting in lower total cost of ownership.

As a result of their unique grey colour, LS390 sanitary seals enable easy identification for correct material selection and application. The perfluoroelastomer can also be used in applications other than sanitary seals.

Taylor UK

Soft serve ice cream, always a staple of fast food restaurants, has made its way onto the radar of creative chefs looking to add a simple but unique finish to their desserts.

Soft serve ice cream is softer and less dense than regular ice creams due to the addition of air during the freezing process.

Taylor UK has introduced the countertop 736

soft serve ice cream maker, which quickly freezes the ice cream and then holds it at a very low but non-frozen temperature so it is ready to serve on demand. Now restaurants can easily add soft serve ice cream to their menu, and stylish design and narrow footprint make it ideal for front of house installation.

The 736 machine produces a consistently great product and is fast. An innovative heat treatment system reduces maintenance and cleaning requirements by providing a daily heating and cooling cycle. This means the machine ensures the safety of ice cream production for up to two weeks before a complete disassembly and cleaning is required. Its simple operation makes it perfect for anywhere from cafeterias, convenience stores and coffee shops to high-end dining.


Scotsman, distributed in the UK by Hubbard Systems, has added more models to its EcoX range, with new, greener versions of its EC icemakers joining the previously released variants of its market-leading ice machines. The EcoX range uses only natural refrigerants and is fully compliant with current and forthcoming F-Gas

regulations. This gives them an ozone depletion potential of zero and a global warming potential (GWP)of three or less.

The Scotsman EC range consists of self-contained icemakers with a built in waste water pump. Their addition to the EcoX range means they are the only ice machines with this technology using eco-friendly refrigerants on the market. The pump gives greater flexibility in installation, allowing a wider range of locations to take advantage of a supply of crystal-clear ice cubes. That’s because traditional ice machines have to be installed above the drains, to allow waste water to flow away. The EC’s pump means they can be sited further away from the drain, or even below the drain height, making it ideal for use, for example, in basement bars.

54 March 2019

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