Freudenberg Sealing Technologies was able to resolve the contradiction between minimal friction and high leak tightness with the combination of an innovative seal and a high performance lubricant from Klüber Lubrication. The rod seal provided in the solution also has an especially smooth and low-friction surface. A nanotechnology process developed by Freudenberg Sealing Technologies not only reduces roughness. It also decreases the tendency of the elastomer to adhere more strongly to the threaded sleeve when the device is stopped. This allows very even torque progression. The already very low frictional torque – four thousandths of a newton meter – can even be cut in half with the application of a PFPE lubricant. PFPE stands for perfluorinated polyether oils, whose stability is significantly superior to that of conventional lubricants even under extreme conditions – they are even used in space flight. In just one year of close cooperation, the "Lube & Seal" concept of Freudenberg Sealing Technologies and Klüber Lubrication led to success. René Mathys, who is responsible for the development of infusion systems at Ypsomed, summed up the situation: "Without the combination of an innovative sealing solution and the right lubricant, we would not have reached our goal."
Series production of the "mylife™ YpsoPump®" has begun at Burgdorf in Switzerland. The first patients in the Netherlands, the United Kingdom and Germany have been carrying them since autumn, and the device has already been honored with two awards for its design. For reasons related to safety, the lifespan of each insulin pump is limited to four years, which amounts to about 35,000 hours of operation. By comparison, the operating life for a car is only about 2,000 hours. The seal provided by Freudenberg Sealing Technologies is superbly prepared for this heavy usage. After all, minimum friction also means minimum wear. That's important for a device to which patients entrust their lives.
About Freudenberg Sealing Technologies
As the leading specialist in sealing applications and their markets, Freudenberg Sealing Technologies is a supplier as well as a development and service partner serving customers in a wide variety of sectors including the automotive industry, civil aviation, mechanical engineering, shipbuilding, the food and pharmaceuticals industries, and agricultural and construction machinery. In 2015, Freudenberg Sealing Technologies generated sales of about €2.3 billion and employed more than 15,000 people. More information at www.fst.com.
The company is part to the global Freudenberg Group which, with its Business Areas Seals and Vibration Control Technology, Nonwovens and Filtration, Household Products as well as Specialties and Others. In 2015, the Group generated sales of more than
€7.5 billion in and employed approximately 40,000 associates in around 60 countries. More information is available at www.freudenberg.com.
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SOURCE Freudenberg Sealing Technologies