Technical product documentation - Simplified representation of pipelines - Part 1: General rules and orthogonal representation (ISO 6412-1:2017)

This document specifies rules and conventions for the execution of simplified drawings for the
representation of all kinds of pipes and pipelines made of all sorts of materials (rigid and flexible).
It is used whenever it is necessary to represent pipes or pipelines in a simplified manner.
For the purposes of this document, the figures illustrate the text only and should not be considered as
design examples.
NOTE This document can also be used for the representation of similar installations, such as ventilation or
air-conditioning systems; in such cases, the term "duct", etc. is substituted for the term "pipe".

Technische Produktdokumentation - Vereinfachte Darstellung von Rohrleitungen - Teil 1: Allgemeine Regeln und orthogonale Darstellung (ISO 6412-1:2017)

Documentation technique de produits - Représentation simplifiée des tuyaux et lignes de tuyauteries - Partie 1: Règles générales et représentation orthogonale (ISO 6412-1:2017)

ISO 6412-1:2017 spécifié les règles et conventions pour l'exécution des dessins simplifiés pour la représentation de tous les types de tuyaux et tuyauteries réalisés en divers matériaux (rigides ou flexibles).
ISO 6412-1:2017 est utilisé à chaque fois qu'il est nécessaire de représenter des tuyaux ou tuyauteries de manière simplifiée.
Pour les besoins du présent document, les figures illustrent seulement le texte et il convient de ne pas les considérer comme des exemples de conception.
NOTE Le présent document peut aussi être utilisé pour la représentation d'installations similaires, tels que les systèmes de ventilation ou de climatisation; dans de tels cas, le terme «gaine» etc? est remplacé par le terme «tuyau».

Tehnična dokumentacija izdelkov - Poenostavljeno prikazovanje cevovodov - 1. del: Splošna pravila in ortogonalno prikazovanje (ISO 6412-1:2017)

Ta dokument določa pravila in dogovore v zvezi s poenostavljenimi risbami za predstavitev raznovrstnih cevi in cevovodov, izdelanih iz materialov vseh vrst (trdnih in prožnih).
Uporablja se vsakič, ko je treba na poenostavljen način prikazati cevi ali cevovode.
Za namene tega dokumenta slike prikazujejo le besedilo in naj se ne bi štele kot primeri oblikovanja.
OPOMBA: Ta dokument se lahko uporablja tudi za predstavitev podobnih inštalacij, kot so sistemi za ventilacijo ali klimatske naprave; v takšnih primerih se namesto izraza »cev« uporablja izraz »vod« itd.

General Information

Status
Published
Public Enquiry End Date
02-Oct-2017
Publication Date
11-Mar-2018
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Mar-2018
Due Date
06-May-2018
Completion Date
12-Mar-2018

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Standards Content (sample)

SLOVENSKI STANDARD
SIST EN ISO 6412-1:2018
01-april-2018
1DGRPHãþD
SIST EN ISO 6412-1:1998
7HKQLþQDGRNXPHQWDFLMDL]GHONRY3RHQRVWDYOMHQRSULND]RYDQMHFHYRYRGRY
GHO6SORãQDSUDYLODLQRUWRJRQDOQRSULND]RYDQMH ,62

Technical product documentation - Simplified representation of pipelines - Part 1:

General rules and orthogonal representation (ISO 6412-1:2017)

Documentation technique de produits - Représentation simplifiée des tuyaux et lignes de

tuyauteries - Partie 1: Règles générales et représentation orthogonale (ISO 6412-

1:2017)
Ta slovenski standard je istoveten z: EN ISO 6412-1:2018
ICS:
01.100.20 Konstrukcijske risbe Mechanical engineering
drawings
01.110 7HKQLþQDGRNXPHQWDFLMD]D Technical product
L]GHONH documentation
23.040.01 Deli cevovodov in cevovodi Pipeline components and
na splošno pipelines in general
SIST EN ISO 6412-1:2018 en,fr

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

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SIST EN ISO 6412-1:2018
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SIST EN ISO 6412-1:2018
EN ISO 6412-1
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2018
EUROPÄISCHE NORM
ICS 01.100.99; 23.040.01 Supersedes EN ISO 6412-1:1994
English Version
Technical product documentation - Simplified
representation of pipelines - Part 1: General rules and
orthogonal representation (ISO 6412-1:2017)
Documentation technique de produits - Représentation
simplifiée des tuyaux et lignes de tuyauteries - Partie 1:
Règles générales et représentation orthogonale (ISO
6412-1:2017)
This European Standard was approved by CEN on 22 October 2017.

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 CEN-CENELEC 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 CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 6412-1:2018 E

worldwide for CEN national Members.
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SIST EN ISO 6412-1:2018
EN ISO 6412-1:2018 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 6412-1:2018
EN ISO 6412-1:2018 (E)
European foreword

This document (EN ISO 6412-1:2018) has been prepared by Technical Committee ISO/TC 10 “Process

plant documentation”.

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 2018, and conflicting national standards shall

be withdrawn at the latest by August 2018.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

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

This document supersedes EN ISO 6412-1:1994.

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

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

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 6412-1:2017 has been approved by CEN as EN ISO 6412-1:2018 without any

modification.
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SIST EN ISO 6412-1:2018
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SIST EN ISO 6412-1:2018
INTERNATIONAL ISO
STANDARD 6412-1
Second edition
2017-12
Technical product documentation —
Simplified representation of
pipelines —
Part 1:
General rules and orthogonal
representation
Documentation technique de produits — Représentation simplifiée
des tuyaux et lignes de tuyauteries —
Partie 1: Règles générales et représentation orthogonale
Reference number
ISO 6412-1:2017(E)
ISO 2017
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SIST EN ISO 6412-1:2018
ISO 6412-1:2017(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland

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

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved
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SIST EN ISO 6412-1:2018
ISO 6412-1:2017(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 2

4 General principles ............................................................................................................................................................................................... 2

4.1 Overview ...................................................................................................................................................................................................... 2

4.2 Representation of pipes .................................................................................................................................................................. 2

4.3 Scale .................................................................................................................................................................................................................. 2

4.4 Lines ................................................................................................................................................................................................................. 2

4.4.1 Line thickness ..................................................................................................................................................................... 2

4.4.2 Types of line ......................................................................................................................................................................... 3

4.4.3 Spacing of lines .................................................................................................................................................................. 3

4.5 Lettering ....................................................................................................................................................................................................... 3

4.6 Dimensioning ........................................................................................................................................................................................... 4

4.7 Tolerances ................................................................................................................................................................................................... 5

5 Crossings and connections ......................................................................................................................................................................... 5

6 Representation of equipment ................................................................................................................................................................. 6

6.1 General ........................................................................................................................................................................................................... 6

6.2 Fittings ........................................................................................................................................................................................................... 6

6.3 Supports and hangers ....................................................................................................................................................................... 7

6.4 Additional provisions ........................................................................................................................................................................ 8

6.5 Adjoining apparatus ........................................................................................................................................................................... 8

6.6 Direction of flow .................................................................................................................................................................................... 8

6.7 Flanges ........................................................................................................................................................................................................... 8

7 Examples ....................................................................................................................................................................................................................... 9

Bibliography .............................................................................................................................................................................................................................11

© ISO 2017 – All rights reserved iii
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SIST EN ISO 6412-1:2018
ISO 6412-1:2017(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.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

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

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 10, Technical drawings, Subcommittee

SC 10, Process plant documentation.

This second edition cancels and replaces the first edition (ISO 6412-1:1989), which has been technically

revised.
The main changes compared to the previous edition are as follows:
— the normative references were updated;
— the document went under editorial revision.
A list of all parts in the ISO 6412 series can be found on the ISO website.
iv © ISO 2017 – All rights reserved
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SIST EN ISO 6412-1:2018
ISO 6412-1:2017(E)
Introduction

Depending on the information it is intended to convey and the form of representation required, a

distinction is made between graphical representation by means of orthogonal and that by means of

isometric representation.

This document deals with general rules used for both representations (orthogonal an

...

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