NASA NTRS · 19830000376
Cryogenic Pressure Seal for Wires
Abstract
High-pressure-seal formed by forcing polyurethane into space surrounding wire or cable in special fitting. Wire or cable routed through fitting then through a tightly fitting cap. Wire insulation left intact. Cap filled with sealant and forced onto the fitting: this pushes sealant into fitting so it seals wire or cable in fitting as well as in cap.
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Ciana, J. J.. 1984-04-01. Cryogenic Pressure Seal for Wires. https://ntrs.nasa.gov/citations/19830000376
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