Aircraft. High temperature convoluted hose assemblies in polytetrafluoroethylene (PTFE) Ingestion-build-221493 and martensitic stainless steels are

and martensitic stainless steels are given in Annexes A to D

other specifications may be applied

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Aircraft. High temperature convoluted hose assemblies in polytetrafluoroethylene (PTFE) Ingestion-build-221493 and martensitic stainless steels are1 Scope This document specifies characteristics of hose assemblies with corrosionresistant 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