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ISO - 9938

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

active, Most Current
Organization: ISO
Publication Date: 1 January 2022
Status: active
Page Count: 24
ICS Code (Aerospace fluid systems and components): 49.080
ICS Code (Hoses): 83.140.40
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.

Document History

9938
January 1, 2022
Aerospace — Polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/28 000 kPa — Procurement specification
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...
ISO 9938
December 15, 1994
Aerospace - Polytetrafluoroethylene (PTFE) Hose Assemblies, Classification 204 Degrees Celsius/28 000 kPa - Procurement Specification
A description is not available for this item.

References

This document references:
ISO 2685 - Aircraft - Environmental Test Procedure for Airborne Equipment - Resistance to Fire in Designated Fire Zones
Published by ISO on December 15, 1998
This International Standard specifies the tests conditions applied to all components, equipments and structures located in zones designated as "fire zones" and built to satisfy the minimum specified...
This document references:
ISO 2859-1 - Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection AMENDMENT 1
Published by ISO on June 15, 2011
This part of ISO 2859 specifies an acceptance sampling system for inspection by attributes. It is indexed in terms of the acceptance quality limit (AQL). Its purpose is to induce a supplier through...
This document references:
ISO 5855-3 - Aerospace - MJ Threads - Part 3: Limit Dimensions for Fittings for Fluid Systems
Published by ISO on October 15, 1999
This part of ISO 5855 specifies limit dimensions of MJ threads for fluid systems fittings for aerospace construction.
This document references:
ISO 6772 - Aerospace - Fluid systems - Impulse testing of hydraulic hose, tubing and fitting assemblies
Published by ISO on October 1, 2012
This International Standard specifies the requirements and the procedures for impulse testing of hose, tubing, and fitting assemblies for use in aerospace hydraulic systems. Requirements may apply...
This document references:
ISO 7258 - Polytetrafluoroethylene (PTFE) Tubing for Aerospace Applications - Methods for the Determination of the Density and Relative Density
Published by ISO on January 1, 1984
A description is not available for this item.
This document references:
ISO 8829-1 - Aerospace — Test methods for polytetrafluoroethylene (PTFE) inner-tube hose assemblies — Part 1: Metallic (stainless steel) braid
Published by ISO on April 1, 2009
This part of ISO 8829 specifies test methods for flexible polytetrafluoroethylene (PTFE) inner tubes with metallic (stainless steel) braided hose and hose assemblies used in aircraft fluid systems,...
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