is best known from the field of high-pressure hydraulics. Use has also been made of this technology in high-tension electrical technology. For current and water connections, copper pipes are used, ranging in size from DN 18 to DN 60. At a size of DN 40, the current to be transmitted is in the order of size of up to 9,000 A. The construction elements consist of Ms 58 and the sealing ring is made of electrolytic copper, which is soft-annealed according to the application. In the case of frequently changed elements for replaceable furnace inserts, the ends of the pipes are made of brass, or sometimes even high-strength special alloys.
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