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Homepage>ISO Standards>ISO 9938:2022-Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/28 000 kPa — Procurement specification
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download between 0-24 hoursReleased: 2022
ISO 9938:2022-Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/28 000 kPa — Procurement specification

ISO 9938:2022

ISO 9938:2022-Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/28 000 kPa — Procurement specification

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Standard´s number:ISO 9938:2022
Pages:17
Edition:3
Released:2022
Language:English
DESCRIPTION

ISO 9938:2022


This document 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.