ISO/CD 7685

Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness ISO/CD 7685

General information

30.99 CD approved for registration as DIS   Feb 19, 2025

ISO

ISO/TC 138/SC 6 Reinforced plastics pipes and fittings for all applications

International Standard

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 7685:2019

NOW

IN_DEVELOPMENT
ISO/CD 7685
30.99 CD approved for registration as DIS
Feb 19, 2025