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BSI 20/30372021 DC:2020 Edition

BSI 20/30372021 DC:2020 Edition

$13.70

BS ISO 9938. Aerospace. Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/28 000 kPa. Procurement specification

Published By Publication Date Number of Pages
BSI 2020 25
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This International Standard specifies requirements for polytetrafluoroethylene (PTFE) hose assemblies for use in aircraft hydraulic systems at temperatures between –55 °C and +204 °C and at a nominal pressure up to 28 000 kPa (280 bar). The hose assemblies are also suitable for use within the same temperature and pressure limitations in aircraft pneumatic systems where some gaseous diffusion through the wall of the PTFE liner may be tolerated.

The use of these hose assemblies in high‑pressure pneumatic storage systems is not recommended. ln addition, installations in which the limits specified in this International Standard are exceeded, or in which the application is not covered specifically by this International Standard, for example for oxygen, shall be subject to the approval of the purchaser.

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BSI 20/30372021 DC
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