ISO 9528:2022 PDF

Name: ISO 9528:2022 — Aerospace — Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/21 000 kPa — Procurement specification
SKU: ISO 9528:2022
Price: 25 EUR
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Aerospace — Standard-weight polytetrafluoroethylene (PTFE) hose assemblies, classification 204 °C/21 000 kPa — Procurement specification

Название (английский):

ISO 9528:2022

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

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 17
Дата публикации:: 17 января 2022 г.
Издание:: ISO IS 9528 edition 3 version 1
ICS:: 49.080

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Описание (английский):

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.

Abstract

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Упомянутые в описании и другие стандарты ISO

Overview - ISO 9528:2022 (PTFE hose assemblies, procurement specification)

ISO 9528:2022 is the international procurement specification for standard‑weight polytetrafluoroethylene (PTFE) hose assemblies used in aerospace. It covers hose assemblies classified for service up to +204 °C and a nominal pressure up to 21 000 kPa (210 bar) and is intended primarily for aircraft hydraulic systems (also suitable for some pneumatic uses where gaseous diffusion through the PTFE liner is acceptable). The document defines requirements for materials, construction, performance testing, quality assurance and marking to support safe procurement and interchangeability.

Key topics and technical requirements

The standard addresses the full lifecycle of PTFE hose assemblies from design to delivery. Major technical topics include:

Scope and classification - service temperature (‑55 °C to +204 °C) and nominal pressure (21 000 kPa).

Materials - requirements for PTFE inner tubes, metallic reinforcements and fittings.

Construction - inner tube, reinforcement layers, swaged or attached fittings and dimensional requirements.

Mechanical and physical properties - density, tensile strength, elongation, tube roll and bore integrity.

Electrical conductivity - criteria where applicable (e.g., static dissipation).

Performance tests included in procurement and qualification:

proof pressure and burst pressure
impulse and thermal shock
volumetric expansion, elongation/contraction
leakage and pneumatic effusion
assembly flexibility, stress degradation and repeated installation
fire resistance (where specified)

Quality assurance and inspection - qualification testing, periodic control, sampling, test reports and re‑qualification criteria.

Preparation for delivery - packaging, storage, marking and ordering data to ensure traceability and interchangeability.

Practical applications and who uses ISO 9528:2022

ISO 9528:2022 is intended for organizations involved in the procurement, manufacture, certification and maintenance of aerospace fluid systems:

Aircraft OEMs specifying hydraulic/pneumatic hose assemblies

Hose manufacturers and component suppliers (fabrication, fittings)

Aerospace MRO (maintenance, repair and overhaul) organizations

Design and systems engineers (hydraulics/pneumatics)

Quality, procurement and regulatory compliance teams ensuring traceable supplier conformity

Using ISO 9528 helps ensure compatibility, safety and performance of PTFE hose assemblies in demanding aerospace environments and facilitates clear procurement requirements.

Related standards and guidance

For broader context consult other aerospace fluid‑systems standards and the work of ISO/TC 20 (Aircraft and space vehicles), national adoption documents and complementary standards for hose fittings, thread specifications and flammable fluid handling practices. For procurement implementation, reference the ordering data, marking and QA clauses in ISO 9528:2022.

ISO 9528:2022 PDF

Abstract

Похожие стандарты

Overview - ISO 9528:2022 (PTFE hose assemblies, procurement specification)

Key topics and technical requirements

Practical applications and who uses ISO 9528:2022

Related standards and guidance

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