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ISO 7313:2020

Aircraft — High temperature convoluted hose assemblies in polytetrafluoroethylene (PTFE)

Mar 20, 2020

General information

90.92     Dec 12, 2025

ISO

ISO/TC 20/SC 10

International Standard

83.140.40     49.080  

English  

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Scope

This document specifies characteristics of hose assemblies with corrosion‑resistant metallic braid and convoluted polytetrafluoroethylene (PTFE) inner tube for use in aircraft fluid systems at temperatures between ‑55 °C and +200 °C and at nominal pressures, depending on bore size, up to 6,8 MPa. Special approval from the proper national authority can be required if these hoses are to be part of a pressurized gas storage system.
Two types of hose assembly are covered in this document:
— Type 1: Non‑conductive inner tube; and
— Type 2: Conductive inner tube.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7313:1984

NOW

PUBLISHED
ISO 7313:2020
90.92 Standard to be revised
Dec 12, 2025

REVISED BY

PROJECT
ISO/CD 7313