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BS 7677:1993

BS 7677:1993

Current

Current

The latest, up-to-date edition.

Recommendations for classification of imperfections in pipe joint rings

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-07-1993

Publisher

British Standards Institution

Committees responsible
National foreword
Introduction
Recommendations
1 Scope
2 Normative references
3 Classification of imperfections
4 Maximum acceptable limits for imperfections
Annex
A (informative) Bibliography
Table
1 Classification of surface imperfections in zones not
   involved in the sealing function
Figures
1 Flash
2 Off-register
3 Mismatch
4 Backrind and parting-line indentation
5 Excessive trimming
6 Flow marks
7 Surface depression

Describes and classifies imperfections in the rubber joint rings for pipelines. Also includes detailed diagrams.

Committee
PRI/70
DevelopmentNote
Also numbered as ISO 9691 Supersedes 91/40185 DC (10/2005)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

This International Standard describes and classifies imperfections in rubber joint rings for pipelines.

ISO 6447:1983 Rubber seals Joint rings used for gas supply pipes and fittings Specification for material
ISO 6448:1985 Rubber seals Joint rings used for petroleum product supply pipes and fittings Specification for material
ISO 4633:2015 Rubber seals — Joint rings for water supply, drainage and sewerage pipelines — Specification for materials
ISO 2781:2008 Rubber, vulcanized or thermoplastic Determination of density

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Hardcopy - English
PDF - English
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