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ISO 9938:2022

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

Publication date:   Jan 17, 2022

General information

60.60 Standard published   Jan 17, 2022

ISO

ISO/TC 20/SC 10 Aerospace fluid systems and components

International Standard

83.140.40   Hoses | 49.080   Aerospace fluid systems and components

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9938:1994

NOW

PUBLISHED
ISO 9938:2022
60.60 Standard published
Jan 17, 2022