British Standards Institution

Source:: ISO
Committee:: PRI/88/4 - (Disbanded 12.07.2024 See PRI/88) Test Methods - Plastic Piping
Categories:: Information management | Standardization. General rules | Engineering | Fluid systems and components | Pipelines | Pipelines. Plastics

Scope

This International Standard specifies the minimum values for expected strength as a function of time and temperature in the form of reference lines, for use in calculations on pipes made of: - unplasticized Polyamide (PA-U 180). Note: PA-U 180 follows ISO 16486-1 and covers both PA-U11 180 and PA-U12 180

Purpose

In general, there is a market need from costumers for a standard with minimum values for expected strength as a function for time and temperature for use in calculations on pipes made of unplasticized Polyamide, as they ask for this standard to minimize the risk and to maximize the quality for the PA system, because of the high operating pressures in urban areas.

Comment on proposal

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Are you aware of any regulation, existing standards and other good practice information in this area in the UK (e.g. Industry codes of practice; company specifications, international or European Standards)? *

Would the development of a standard(s) in this area have a particular impact/relevance to SME, consumer, environmental or societal interests? *

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

23/10/2023

Proposal end date:

14/12/2023

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

ISO/NP 8149 Unplasticized polyamide (PA-U) pipes — Effect of time and temperature on the expected strength)

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