ISO 7685:2019
Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness

Standard No.

ISO 7685:2019

Release Date

2019

Published By

International Organization for Standardization (ISO)

Latest

ISO 7685:2019

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.

ISO 7685:2019 Referenced Document

• ISO 3126 Plastics piping systems - Plastics components - Determination of dimensions

ISO 7685:2019 history

• 2019 ISO 7685:2019 Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness
• 1998 ISO 7685:1998 Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of initial specific ring stiffness