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ISO 9635-4:2014

(Main)

Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves

Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves

ISO 9635-4:2014 specifies construction and performance requirements and test methods for air valves, intended for operation in irrigation systems with water at temperatures not exceeding 60 °C, which can contain fertilizers and other chemicals of the types and concentrations used in agriculture. It is applicable to hydraulically operated air irrigation valves of DN 15 diameter or greater, designed to be directly operated, i.e. the force is applied to the obturator by the float, either directly or via a mechanical linkage. The valves can be operated by a force applied through an adjustable pilot valve.

Matériel agricole d'irrigation — Vannes d'irrigation — Partie 4: Vannes de purge d'air

General Information

Status
Published
Publication Date
13-Nov-2014
ICS
65.060.35 - Irrigation and drainage equipment
Technical Committee
ISO/TC 23/SC 18 - Irrigation and drainage equipment and systems
Drafting Committee
ISO/TC 23/SC 18 - Irrigation and drainage equipment and systems
Current Stage
9093 - International Standard confirmed
Ref Project

Relations

Revises
ISO 9635-4:2006 - Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves
Effective Date
24-Dec-2011

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ISO 9635-4:2014 - Agricultural irrigation equipment -- Irrigation valvesISO 9635-4:2014 - Agricultural irrigation equipment -- Irrigation valves
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ISO 9635-4:2014 - Agricultural irrigation equipment -- Irrigation valves
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Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 9635-4
Second edition
2014-11-15
Agricultural irrigation equipment —
Irrigation valves —
Part 4:
Air valves
Matériel agricole d’irrigation — Vannes d’irrigation —
Partie 4: Vannes de purge d’air
Reference number
ISO 9635-4:2014(E)
©
ISO 2014

---------------------- Page: 1 ----------------------
ISO 9635-4:2014(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2014
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
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2014 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 9635-4:2014(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Design requirements . 2
5 Performance requirements . 2
5.1 General . 2
5.2 Mechanical strength . 2
5.3 Watertightness . 2
5.4 Airflow characteristics . 3
5.5 Resistance to chemicals and fertilizers . 4
5.6 Endurance . 4
6 Conformity assessment . 5
6.1 General . 5
6.2 Type tests . 5
6.3 Control of production process and quality system . 5
7 Marking . 6
8 Packaging . 6
Annex A (normative) Test method for airflow characteristics of valves with air release function .7
Annex B (normative) Test method for airflow characteris
...

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