British Standards Institution

Source:: ISO
Committee:: PRI/88 - Plastics piping systems
Categories:: Pipelines. Plastics
Comment period start date:: 14/07/2025
Comment period end date:: 06/09/2025
Number of comments:: 0

Comment by:

6th Sep

Scope

This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each is equally valid and can be used for any diameter.

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

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

19/02/2025

3. Public Comments

Public Comments start date:

14/07/2025

Public Comments end date:

06/09/2025

Learn more about the standards development process

Standards Development

BS ISO 7685 ISO 7685 Glass-reinforced thermosetting plastics (GRP) pipes. Determination of initial ring stiffness

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