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ISO/NP 27256 Railway applications — Interior glazing for rail vehicles

Source:
ISO
Committee:
RAE/4/-/9 - Railway applications - Glazing
Categories:
Information management | Standardization. General rules
Comment period start date:
Comment period end date:

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Scope

This document specifies the functional, performance and quality requirements for interior glazing of rail vehicles including type testing, routine testing, and inspection methods for rolling stock of main line railway system and urban guided transport.

Determination of the size, shape, orientation and position of interior glazing is outside the scope of this document.

This document does not specify requirements for the interfaces between the interior glazing and the vehicle. Accordingly, this document does not address issues relating to installation and structural integrity.

This document does not apply to interior glazing with a surface less than 0,02 m 2 and also emergency device casings (e.g. cover sheets for emergency hammers, passenger alarm systems, etc). This document does not apply to materials other than glazing materials.

Purpose

Interior glazing includes all parts in a railway vehicle car body made of glass. For safety reasons, a high level of mechanical performance is required to protect passengers and train staff in emergencies. In addition, the optical performance of the interior glazing is also important for passenger comfort.

A European Standard (EN 17530:2022+A1:2024) for rolling stock interior glazing currently exists, it is beneficial for an ISO standard to be developed allowing its use internationally beyond Europe. To facilitate worldwide trade and sustainable development of the railway transportation industry, a universal product standard with standardized technical requirements and test methods is essential. The proposed international standard will collaborate the advantages of the mature European standard with the operating experience from worldwide markets, forming an interior glazing standard with wider applicability.

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