Status : Published (To be revised)

This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
This standard will be replaced by ISO/AWI 9635-4
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Abstract

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.

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General information

  • Status
     : Published
    Publication date
     : 2014-11
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 2
    Number of pages
     : 14
  • Technical Committee :
    ISO/TC 23/SC 18
    ICS :
    65.060.35 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

10
Reduced Inequalities
1
No Poverty
12
Responsible Consumption and Production
3
Good Health and Well-being
2
Zero Hunger
13
Climate Action
5
Gender Equality
15
Life on Land
7
Affordable and Clean Energy
6
Clean Water and Sanitation
9
Industry, Innovation and Infrastructure
8
Decent Work and Economic Growth

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