2nd Edition, February 1, 2012
Aerospace — Hose assemblies in polytetrafluoroethylene (PTFE) for use up to 232 °C and 10 500 kPa — Technical specifications and requirements
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Description / Abstract:
This International Standard specifies requirements for
polytetrafluoroethylene (PTFE) hose assemblies for use in aircraft
hydraulic, fuel and lubricating oil systems at temperatures between
-55 °C (-67 °F) and 232 °C (450 °F) for Class I assemblies and
between -55 °C (-67 °F) and 135 °C (275 °F) for Class II
assemblies, and at nominal pressures up to 10 500 kPa (1 523 psi)
(105 bar1)). The hose assemblies are also suitable for
use within the same temperature and pressure limitations in
aerospace pneumatic systems where some gaseous diffusion through
the wall of the PTFE liner is tolerated.