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prEN ISO 7685

Glass-reinforced thermosetting plastics (GRP) pipes - Determination of initial ring stiffness (ISO 7685:2026)

Draft New
Comment end date 2027-01-09
Export comments Read draft and comment

Project stage codes

1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
From 2026-11-10 till 2027-01-09
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

23.040.20 - Plastics pipes

Technical Committee

TK 68 Plastics

ForeignTC'S

CEN/TC 155

Number of comments

0

Comment start date

2026-11-10

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