Abstract

Sealing of cables are difficult. Hard conditions for the sealing, like steam, vacuum, high temperature and medical sterilization, all these need special solutions. Four methods were given, and all their performance were tested through experiments. The resuits show that the method that the sealings of the reaction chamber are carried out at the wire and the box separately is the best. This method fixs a steel pipe at the entrance of the reaction chamber, wire is through the pipe into the cavity. 0-ring is used for the sealing between steel pipe and steel reaction chamber. The wire is reinforced with heat-shrinkable plastic casing.

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