Résumé
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.
Informations générales
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État actuel: PubliéeDate de publication: 2014-12Stade: Norme internationale confirmée [90.93]
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Edition: 2
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Comité technique :ISO/TC 23/SC 18ICS :65.060.35
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Cycle de vie
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Précédemment
AnnuléeISO 9635-5:2006
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Actuellement
Cette norme contribue aux Objectifs de développement durable suivants
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