German equipment component manufacturer Schmersal has extended its range of command and alarm devices for the food industry by adding devices with a blue sealing membrane.
This new membrane means the N-range not only fulfils the requirements in terms of sealing and hygiene-compliance, but also meets the requirement of making foreign bodies in foods traceable using optical systems. The industry recommendation is to use the colour blue in the food industry, for example in exposed seal applications, as no foodstuffs are naturally blue, Schmersal said.
The Wuppertal-based manufacturer has developed a range of new blue push-buttons, illuminated push-buttons, mushroom push-buttons and emergy stop mushroom push-buttons – all of which were only previously available with black or white sealing membranes.
As a company spokesperson explained, “the N-program with its safety devices was developed specifically for the food industry and other hygiene-sensitive applications. The product range consists of a large portfolio of command and signalling devices, also a variety of accessories (blind stoppers, rotary drives for potentiometers, step switches and main switches, etc.), all of which fulfil the principles of “hygienic design”. This means the operating devices are designed so that no contamination can settle, as their geometry has no corners and edges, which allows them to be cleaned easily. At the same time, they are characterised by their excellent service life which is required by the IP69K degree of protection, as this guarantees that they withstand regular cleaning with a steam cleaner or high-pressure cleaner.”
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