ISO 7628:2010

Name: ISO 7628:2010 — Road vehicles — Thermoplastics tubing for air braking systems
SKU: ISO 7628:2010
Price: 25 EUR
Availability: InStock

Road vehicles — Thermoplastics tubing for air braking systems

Название (английский):

ISO 7628:2010

Road vehicles — Thermoplastics tubing for air braking systems

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 26
Дата публикации:: 26 января 2010 г.
Издание:: ISO IS 7628 edition 1 version 1
ICS:: 43.040.40

Тип поставки:

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Язык документа:

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Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

ISO 7628:2010 specifies the minimum requirements for mono wall and multilayer tubing used in air braking systems on road vehicles. The conformity of production is the responsibility of the tubing manufacturer. The marking of the tubing does not automatically imply that the tube assembly (i.e. tube with end fittings) is appropriate for its use on a vehicle.

Abstract

Overview - ISO 7628:2010 (Thermoplastics tubing for air braking systems)

Key topics and technical requirements

Scope & categories: Tubing is classified into four categories with specified maximum working pressures and temperature ranges (e.g., categories for 1 000 kPa and 1 250 kPa with temperature limits up to 125 °C for engine‑compartment use).
Dimensions and sizes: The standard defines nominal sizes and minimum wall thicknesses for common tubing diameters (examples: 4×1 mm through 19×2 mm).
Materials & manufacture: Tubing shall be extruded from 100% virgin material (own reworked material allowed up to 20% of new feedstock); reinforcement is permitted when suitable for the application.
Marking requirements: Tubing must be indelibly marked along a generating line (minimum 2 mm letter height), repeated at least every 350 mm, with seven items separated by slashes (ISO 7628, tubing category, outside diameter × wall thickness, material symbol per ISO 1043‑1, manufacturer designation, date code, etc.).
Performance testing: A comprehensive test matrix includes:
- Burst tests (at ambient and specified elevated temperatures)
- Deformation under pressure
- Cold impact and impact after ageing
- Layer adhesion (for multilayer tubing)
- Chemical resistance tests (ethanol, battery acid, oil, urea)
- Stress cracking, moisture absorption, low‑temperature flex, heat ageing, artificial weathering and ozone exposure
- Tube‑assembly tests (pull‑out strength, leak testing, pulsating pressure fatigue, vibration, salt spray)
Acceptance criteria: The standard specifies pass/fail thresholds (e.g., minimum burst factors at ambient and elevated temperatures) and sample sizes for each test.

Practical applications and users

Who uses ISO 7628: tubing manufacturers, automotive OEMs, tube assemblers, quality and testing laboratories, component suppliers, aftermarket manufacturers and compliance engineers.
Practical value:
- Ensures tubing safety and reliability in pneumatic braking systems
- Provides harmonized dimensions and marking for traceability
- Defines repeatable test methods for chemical, thermal and mechanical durability
- Helps OEMs and suppliers select compatible tubing and fittings and validate tube assemblies for vehicle integration
Installation guidance: routing, support and storage recommendations to avoid chafing, kinking, excessive sag and fatigue.

Related standards

ISO 7375‑1, ISO 7375‑2 - coiled tube assemblies for pneumatic systems
ISO 1043‑1 - plastic material symbols
Referenced test standards (e.g., ISO 179‑1, ISO 4892 series, ASTM B117) are used for specific test procedures.

Keywords: ISO 7628:2010, thermoplastics tubing, air braking systems, road vehicles, tube assemblies, burst test, tubing categories, multilayer tubing, marking, automotive standards.

Технические детали

Технический комитет: ISO/TC 22/SC 33 - Vehicle dynamics and chassis components
SKU: ISO 7628:2010

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ISO 7628:2010

Abstract

Overview - ISO 7628:2010 (Thermoplastics tubing for air braking systems)

Похожие стандарты

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

BS EN ISO 1043-1:2011+A1:2016

Plastics. Symbols and abbreviated terms. Basic polymers and their special characteristics.

ISO 7375-1:1986

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ISO 7375-2:1998

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ISO 179-1:2010

Plastics — Determination of Charpy impact properties — Part 1: Non-instrumented impact test

ISO 48-9:2018

Rubber, vulcanized or thermoplastic — Determination of hardness — Part 9: Calibration and verification of har…