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Homepage>BS Standards>49 AIRCRAFT AND SPACE VEHICLE ENGINEERING>49.080 Aerospace fluid systems and components>20/30372018 DC BS ISO 9528. Aerospace. Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/21 000 kPa. Procurement specification
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20/30372018 DC BS ISO 9528. Aerospace. Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/21 000 kPa. Procurement specification

20/30372018 DC

BS ISO 9528. Aerospace. Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/21 000 kPa. Procurement specification

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Standard number:20/30372018 DC
Pages:25
Released:2020-09-16
Status:Draft for Comment
DESCRIPTION

20/30372018 DC


This standard 20/30372018 DC BS ISO 9528. Aerospace. Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/21 000 kPa. Procurement specification is classified in these ICS categories:
  • 49.080 Aerospace fluid systems and components
  • 83.140.40 Hoses

This document specifies requirements for standard-weight 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 21 000 kPa (210 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 can be tolerated.

The use of these hose assemblies in high-pressure pneumatic storage systems is not recommended. In addition, installations in which the limits specified in this document are exceeded, or in which the application is not covered specifically by this document, for example for oxygen, shall be subject to the approval of the purchaser.


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