GB/T 47482-2026 Pending National standards

GB/T 47482-2026 Aerospace—21 MPa polytetrafluoroethylene(PTFE) hose assemblies general requirments

Publish Date: 2026-04-30 Implement Date: 2026-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 47482-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Non-metallic materials for aviation and aerospace applications

ICS Name: Fluid systems and components for aerospace applications

Publish Date: 2026-04-30

Implement Date: 2026-11-01

Pages: 24 pages

Scope

This document specifies the technical requirements for 21 MPa polytetrafluoroethylene (PTFE) hose assemblies used in hydraulic and pneumatic systems in the aerospace field, including structure, materials, and performance. It describes the test methods and stipulates inspection requirements and delivery preparation. This document applies to the manufacture and inspection of hydraulic system hose assemblies operating at temperatures ranging from -55°C to 204°C and with a working pressure not exceeding 21 MPa. It may be used as a reference for pneumatic systems allowing gas diffusion through the inner tube. This document does not apply to high-pressure pneumatic storage systems, nor to the manufacture and inspection of systems exceeding the limits specified in this document or systems not explicitly covered by this document (such as oxygen applications).