Alfred Heinrich Jung

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Alfred Heinrich Jung (* 1954 in Salchendorf , district of Siegen) is a medium-sized German entrepreneur and award-winning developer of environmentally friendly seals for flange connections in industrial plants such as chemical and petrochemical plants and refineries.

Education and professional career

Jung was trained as a toolmaker. He then studied mechanical engineering and supplemented his know-how with a postgraduate degree in technical business administration. In the years that followed, Jung worked for several international groups as a sales engineer and sales manager for metal-reinforced and metal seals for refineries, chemical and petrochemical plants.

In November 1988, Young made independently and founded his own trading company "Alfred Jung". The purpose of the company includes trading in metallic and non-metallic seals for flange connections . In addition, Jung devoted himself to the development of new sealing technology products. In 1999 he renamed his company "Jungtec GmbH & Co. KG". In addition to sales, he now also began producing his specially developed seals. In 2004 he moved the headquarters of his company from Ottobrunn near Munich to Pulheim near Cologne in North Rhine-Westphalia , to the region with the largest chemical belt in Germany.

As an entrepreneur, Jung wants to make a substantial contribution to protecting the environment. As the general secretary of the German Federal Environment Foundation (DBU) Fritz Brickwedde emphasized when the 2004 environmental award winners were announced, "there are only a few entrepreneurs who have defined environmental protection as a company goal so clearly and for whom environmental protection is as important as it is at Jung." Jung stands in the tradition of his grandfather. He had campaigned for the renaturation of the Hellbach valley in the Siegerland.

Flange seals

Alfred Jung develops flange seals that are mainly used in plants in the chemical and petrochemical industries, in large refineries and industrial plants. The individual pipe sections of these systems are connected by so-called flanges. The two circular flange blades (the flange sealing surfaces) located at the pipe ends are screwed together and sealed with the help of seals between them. However, even seals that have a "technical tightness" in accordance with the specifications of the relevant DIN and EN standards and VDI 2290 cannot prevent certain amounts of gaseous emissions from escaping from the substances pumped through the systems. According to Brickwedde, BDU, several million tons of so-called VOCs, i.e. volatile organic compounds, are released into the atmosphere as sometimes carcinogenic emissions and pollute the environment.

It is precisely this problem that Jung addresses with his sealing technology developments. These are characterized by the fact that the graphite sealing strip on the Jungtec seal is triple encapsulated. This encapsulation allows pressure fluctuations in the pipes to be better balanced. That is why the Jungtec seals guarantee extraordinary tightness. This is confirmed by tests by scientists from the internationally renowned University of Stuttgart . As early as 2000 they tested the sealing behavior of one of Jung's seals, the “JUNGTEC J-G2” flange seal. Your result shows: The leakage rate of the Jungtec seal is around 3 to 8 orders of magnitude lower than prescribed by national and US standards.

“Jungtec GmbH”, according to the DBU in October 2004, “has solved sealing problems that were considered unsolvable. By using Jungtec seals, 98 percent of all types of flat seals can be covered. Jungtec seals are an affordable contribution to environmental protection for all users worldwide. "

Jung now holds three world patents for the sealing systems he has developed. He also received numerous awards, including the German Environment Prize 2004 from the hands of the then Federal President Horst Köhler.

Awards

Developments and world patents

  • 1989: Fine profile of the comb profile seals
  • 1997: Vario centering system (patents in many industrialized countries)
  • 1996: Encapsulated profile seal (patents in many industrialized countries)
  • 1999: Embossed metal seal with metallic spring characteristics (patent in many industrialized and emerging countries), type "ECO" and "VISIO".
  • 2007: Embossed, encapsulated comb profile seal with metallic spring characteristics (patent in many industrialized and emerging countries), type "Revolution"

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personal data
SURNAME Jung, Alfred Heinrich
BRIEF DESCRIPTION German medium-sized entrepreneur
DATE OF BIRTH 1954
PLACE OF BIRTH Salchendorf (Netphen) , district of Siegen