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ISO 7-1:1994

Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation

May 12, 1994

General information

90.20     Jul 15, 2025

ISO

ISO/TC 5/SC 5

International Standard

21.040.30  

English   French  

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Published

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Scope

Specified the designation and lays down the dimensions and tolerances of pipe threads. Gives terms and definition as well as symbols and explanations including examples of the complete designation for a thread. Figures 1 to 4 illustrate details. Tabulates thread dimensions from 1/16 up to and including 6 inch.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7-1:1982

NOW

PUBLISHED
ISO 7-1:1994
90.20 Standard under periodical review
Jul 15, 2025

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 7-1:1994/Cor 1:2007

National adoptions

Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation

90.20   Standard under periodical review

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