Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000)

This part of ISO 228 specifies the requirements for thread form, dimensions, tolerances and designation for fastening pipe threads, thread sizes 1/16 to 6 inclusive. Both internal and external threads are parallel threads and intended for the mechanical assembly of the component parts of fittings, cocks and valves, accessories, etc.

Rohrgewinde für nicht im Gewinde dichtende Verbindungen - Teil 1: Maße, Toleranzen und Bezeichnung (ISO 228-1:2000)

Dieser Teil der ISO 228 legt die Anforderungen an die Gewindeform, Masse, Toleranzen und Bezeichnung von Rohrgewindeverbindungen der Gewindegrössen 1/16 bis einschliesslich 6 fest. Beide, Innen- und Aussengewinde, sind zylindrische Gewinde und dienen zur mechanischen Verbindung der Teile von Fittings, Hähnen und Ventilen, Zubehör usw.

Filetages de tuyauterie pour raccordement sans étanchéité dans le filet - Partie 1: Dimensions, tolérances et désignation (ISO 228-1:2000)

La présente partie de l'ISO 228 spécifie les exigences relatives a la forme, aux dimensions, aux tolérances et a la désignation des filetages de tuyauterie pour raccordement, de dimensions 1/16 a 6 comprises. Les filetages intérieurs comme les filetages extérieurs sont des filetages cylindriques qui s'appliquent aux assemblages mécaniques des pieces de raccords, de robinetterie, d'accessoires, etc.

Cevni navoji za zveze, ki ne tesnijo z navoji – 1. del: Mere, odstopki in oznake (ISO 228-1:2000)

General Information

Status
Published
Publication Date
31-Oct-2003
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Nov-2003
Due Date
01-Nov-2003
Completion Date
01-Nov-2003

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SLOVENSKI STANDARD
SIST EN ISO 228-1:2003
01-november-2003

Cevni navoji za zveze, ki ne tesnijo z navoji – 1. del: Mere, odstopki in oznake (ISO

228-1:2000)
Pipe threads where pressure-tight joints are not made on the threads - Part 1:
Dimensions, tolerances and designation (ISO 228-1:2000)

Rohrgewinde für nicht im Gewinde dichtende Verbindungen - Teil 1: Maße, Toleranzen

und Bezeichnung (ISO 228-1:2000)

Filetages de tuyauterie pour raccordement sans étanchéité dans le filet - Partie 1:

Dimensions, tolérances et désignation (ISO 228-1:2000)
Ta slovenski standard je istoveten z: EN ISO 228-1:2003
ICS:
21.040.30 Posebni navoji Special screw threads
SIST EN ISO 228-1:2003 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 228-1:2003
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SIST EN ISO 228-1:2003
EUROPEAN STANDARD
EN ISO 228-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2003
ICS 21.040.30
English version
Pipe threads where pressure-tight joints are not made on the
threads - Part 1: Dimensions, tolerances and designation (ISO
228-1:2000)

Filetages de tuyauterie pour raccordement sans étanchéité Rohrgewinde für nicht im Gewinde dichtende Verbindungen

dans le filet - Partie 1: Dimensions, tolérances et - Teil 1: Maße, Toleranzen und Bezeichnung (ISO 228-

désignation (ISO 228-1:2000) 1:2000)
This European Standard was approved by CEN on 15 November 2002.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

standards may be obtained on application to the Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official

versions.

CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,

Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovak Republic, Spain, Sweden, Switzerland and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2003 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 228-1:2003 E

worldwide for CEN national Members.
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SIST EN ISO 228-1:2003
EN ISO 228-1:2003 (E)
Foreword

The text of ISO 228-1:2000 has been prepared by Technical Committee ISO/TC 5 "Ferrous

metal pipes and metallic fittings" of the International Organization for Standardization (ISO) and

has been taken over as EN ISO 228-1:2003 by Technical Committee ECISS/TC 29 "Steel tubes

and fittings for steel tubes", the secretariat of which is held by UNI.

This European Standard shall be given the status of a national standard, either by publication of

an identical text or by endorsement, at the latest by August 2003, and conflicting national

standards shall be withdrawn at the latest by August 2003.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of

the following countries are bound to implement this European Standard: Austria, Belgium, Czech

Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,

Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and

the United Kingdom.
Endorsement notice

The text of ISO 228-1:2000 has been approved by CEN as EN ISO 228-1:2003 without any

modifications.
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SIST EN ISO 228-1:2003
INTERNATIONAL ISO
STANDARD 228-1
Fourth edition
2000-09-01
Pipe threads where pressure-tight joints
are not made on the threads —
Part 1:
Dimensions, tolerances and designation
Filetages de tuyauterie pour raccordement sans étanchéité dans le filet —
Partie 1: Dimensions, tolérances et désignation
Reference number
ISO 228-1:2000(E)
ISO 2000
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SIST EN ISO 228-1:2003
ISO 228-1:2000(E)
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© ISO 2000

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic

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ii © ISO 2000 – All rights reserved
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SIST EN ISO 228-1:2003
ISO 228-1:2000(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO

member bodies). The work of preparing International Standards is normally carried out through ISO technical

committees. Each member body interested in a subject for which a technical committee has been established has

the right to be represented on that committee. International organizations, governmental and non-governmental, in

liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical

Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.

Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.

Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this part of ISO 228 may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

International Standard ISO 228-1 was prepared by Technical Committee ISO/TC 5, Ferrous metal pipes and

metallic fittings, Subcommittee SC 5, Threaded or plain end butt-welding fittings, threads, gauging of threads.

This fourth edition cancels and replaces the third edition (ISO 228-1:1994), which has been technically revised.

ISO 228 consists of the following parts, under the general title Pipe threads where pressure-tight joints are not

made on the threads:
— Part 1: Dimensions, tolerances and designation
— Part 2: Verification by means of limit gauges
Annex A of this part of ISO 228 is for information only.
© ISO 2000 – All rights reserved iii
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SIST EN ISO 228-1:2003
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SIST EN ISO 228-1:2003
INTERNATIONAL STANDARD ISO 228-1:2000(E)
Pipe threads where pressure-tight joints are not made on the
threads —
Part 1:
Dimensions, tolerances and designation
1 Scope

This part of ISO 228 specifies the requirements for thread form, dimensions, tolerances and designation for

fastening pipe threads, thread sizes 1/16 to 6 inclusive. Both internal and external threads are parallel threads,

intended for the mechanical assembly of the component parts of fittings, cocks and valves, accessories, etc.

These threads are not suitable as jointing threads where a pressure-tight joint is made on the thread. If assemblies

with such threads must be made pressure-tight, this should be effected by compressing two tightening surfaces

outside the threads, and by interposing an appropriate seal.

NOTE 1 For pipe threads where pressure-tight joints are made on the threads, see ISO 7-1.

NOTE 2 ISO 228-2 gives details of methods for verification of fastening thread dimensions and form, and recommended

gauging systems.
2 Normative reference

The following normative document contains provisions which, through reference in this text, constitute provisions of

this part of ISO 228. For dated references, subsequent amendments to, or revisions of, any of these publications

do not apply. However, parties to agreements based on this part of ISO 228 are encouraged to investigate the

possibility of applying the most recent editions of the normative document indicated below. For undated references,

the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of

currently valid International Standards.
ISO 7-1:1994, Pipe threads where pressure-tight joints are made on the t
...

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