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ISO 9635-5:2014 specifies construction and performance requirements and test methods for control 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 control irrigation valves of DN 15 (1/2 inch) diameter or greater, designed to operate in any position, from fully open to fully closed. The valves can either be directly operated (i.e. the force applied via a spring or diaphragm to the obturator), or pilot-operated (i.e. the force is applied through an adjustable pilot valve via a diaphragm). These valves can also function as check valves.


General information

  • Status :  Published
    Publication date : 2014-12
  • Edition : 2
    Number of pages : 13
  • Technical Committee
    :
    ISO/TC 23/SC 18
    Irrigation and drainage equipment and systems
  • ICS :
    65.060.35
    Irrigation and drainage equipment

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  • CHF88

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