ISO 15081:2011

INTERNATIONAL ISO
STANDARD 15081
Second edition
2011-12-01
Agricultural equipment — Graphical
symbols for pressurized irrigation
systems
Matériel agricole — Symboles graphiques des systèmes d’irrigation
sous pression
Reference number
ISO 15081:2011(E)
©
ISO 2011

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ISO 15081:2011(E)
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ii © ISO 2011 – All rights reserved

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ISO 15081:2011(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 General rules . 1
4 Symbols for piping and piping accessories . 2
5 Symbols for connections and joints . 3
6 Symbols for valves . 4
6.1 Symbols for valves according to structure . 4
6.2 Symbols for valves according to operation . 4
6.3 Symbols for valves according to function . 5
7 Symbols for pumps . 7
8 Symbols for measuring devices . 7
9 Symbols for water-application equipment . 8
10 Symbols for filters . 8
11 Symbols for chemical injectors . 8
12 Symbols for irrigation machines . 9
13 Symbols for irrigation controller . 9
Bibliography .10
© ISO 2011 – All rights reserved iii

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ISO 15081:2011(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 2.
The main task of technical committees is to prepare International Standards. 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
...