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SAE AS4897 Rev A

Current Revision

Hose Assembly, Polytetrafluoroethylene (PTFE), Low Pressure, 450°F and Fireproof, Procurement Specification For

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This SAE Aerospace Standard (AS) covers the requirements for polytetrafluoroethylene (PTFE) hose assemblies for use in aerospace fuel and lubricating oil systems at temperatures between -67 °F and 450 °F and at operating pressures per Table 1 . 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 can be tolerated. The use of these hose assemblies in pneumatic storage systems is not recommended. In addition, installations in which the limits specified herein are exceeded, or in which the application is not covered specifically by this document, for example oxygen, shall be subject to the approval of the purchaser.

SDO SAE: SAE International
Document Number AS4897
Publication Date Aug. 30, 2019
Language en - English
Page Count 17
Revision Level A
Supercedes
Committee
Publish Date Document Id Type View
Aug. 30, 2019 AS4897A Revision
July 1, 1994 AS4897 Revision
April 7, 1952 AS4897-3 Revision