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27.03.2023  |  515x
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Level measurement with enhanced process safety and quality

Level measurement technology with maximum quality: Rotary paddle switch devices equipped with metal detectable shaft sealing ring for a higher degree of security
Rotary paddle switches are often used in the food sector to monitor material flows, for example in conveyor technology or in dosing and filling systems. They are used to indicate full, required and empty bulk goods such as grain, flour, sugar, spices and other foods. For hygienic reasons, the built-in devices are often made of stainless steel or other easy-to-clean materials. They have to meet the high requirements of the food industry, which often has very strict regulations and standards for food hygiene and safety.

A metal detectable shaft sealing ring is a special seal ring made from materials that can be detected by metal detectors. Such shaft seals are often used in the food and beverage industry to ensure that no unintentional foreign objects can enter the product.

Metal detectable shaft seals

The high requirements of the food industry met with metal detectable shaft seals. In addition to the four existing shaft sealing rings, the metal-detectable option is now also available for the rotary paddle switch Rotonivo® series.
Foreign object detection plays an important role in food processing and packaging to ensure food safety and quality and to prevent contamination from foreign objects (e.g. plastics, rubber, sealing material, etc.). Since the shaft seal is metal detectable, metal absorbers can sort out the contaminated food during the production process.

Enhanced SAFETY SECURITY for your processes

Company information

UWT GmbH
UWT GmbH
The UWT has become one of the leading suppliers of measurement technology on the world market today for the level detection in silos and tanks for material manufacturing processes. When UWT started, almost 40 years ago, with the development of ingenious products. UWT supply level limit and content measurement sensors for bulk solids and liquids. A company reaches such a position only if the following key elements interact: Sound management, good understanding of the needs of the markets, innovative product solutions, skillful investment and above all, committed and dedicated employees. Different measurement techniques are used within a variety of industries depending on the medium and application in question.UWT products represent quality, flexibility and reliability in over 90 countries across the world. Having successfully solved over 1 mio. applications within the bulk solids sector, UWT has expanded still further by introducing a new and innovative product range for the liquids market which is delivering reliable solutions for applications in this area. The company is certified ISO 9001:2015 and constantly expands its portfolio of product certifications (ATEX, EHEDG, FM, CSA, INMETRO, etc.) particularly with regard to the international markets. The development, production and sales departments are located at our headquarters in Germany, with a further production site in Malta. UWT has also established successful sales offices in the USA, UK, China, India, Brazil and most recently Mexico. With this global orientation, it is possible to serve and support customers with complete competence and flexibility. From development through production to final assembly and comprehensive technical advice, UWT can offer a complete service from a single source. The strongly held belief by the CEO`s Uwe Niekrawietz, Markus Schalk and Andreas Haug is for the welfare of over 200 employees world-wide: „Healthy and happy employees can make the unbelievable happen“. Our portfolio includes sensors for liquids: * Capanivo® 7000/8000 - capacitive sensors * RFnivo® 8000 - capacitive sensors * NivoCapa® 8000 - capacitive sensors * NivoGuide® 8000 - TDR guided radar * NivoRadar® 7000 - non contact radar sensor Sensors for bulk solids: * Rotonivo® - rotary paddle * Vibranivo® - vibrating fork * Mononivo® vibrating rod * Capanivo® 4000 - capacitive sensors * RFnivo® 3000 - capacitive sensors * NivoBob® 3000/4000 - electromechanical lot system * NivoRadar® 3000/4000 - contact free radar sensor * NivoGuide® 3000 - guided radar sensor (TDR) NivoTec® - visualisation systems
Last update: 02.05.2024
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