| 摘要 |
A dip tube consisting of a metal pipe sheathed with a corrosion-resistant polymer, such as a fluoropolymer, carries at the free end a nozzle of a corrosion-resistant polymer such as a fluoropolymer. The connection is made by a connecting ring which likewise consists of a corrosion-resistant polymer such as a fluoropolymer and is connected to the metal tube by means of a thread formed within the tube, is welded to the sheathing, and is connected to the nozzle in a positively locking manner.
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