Plant & Works Engineering
Seals available in food-grade materials
Published:  13 December, 2018

Freudenberg Sealing Technologies, a leading global specialist in sealing products and their application, says it has made its proven and successful Simmerring seals available in two new materials to suit food industry applications. Availability for the new products is via DICHTOMATUK UK, the exclusive provider for Freudenberg’s food and beverage related products in the UK.

The company says the Freudenberg Simmerring has been proving itself as a successful sealing product for the past 85 years and designed for the reliable sealing of rotating shafts, Simmerring can today be found in millions of applications and machines across a myriad of different sectors. Importantly, the product is flexible, highly loadable and very dependable. Based on this portfolio of attributes, Freudenberg Sealing Technologies has now further developed Simmerring for use in the process industry, by making it available in food-grade materials.

Conventional PTFE shaft seal rings soon reach their limits at high rotational speeds and pressures, which typically leads to leaks and other seal failure modes. In addition, to date it has not been possible to use Simmerring in the food industry as its PTFE materials have not been approved for food-related applications. With this challenge in mind, experts at Freudenberg Sealing Technologies set about developing two new Simmerring materials especially to meet the requirements of process industries such as food and beverage, and pharmaceuticals.

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