Résumé
ISO 9644:2008 specifies a test method for determining the pressure loss in agricultural irrigation valves under steady-state conditions when water flows through them. The scope and accuracy of the valve performance specifications presented will assist agricultural irrigation system designers in comparing pressure losses through various types of valves.
Informations générales
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État actuel: AnnuléeDate de publication: 2008-07Stade: Annulation de la Norme internationale [95.99]
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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 9644:1993
AnnuléeISO 9644:1993/Amd 1:1998
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Actuellement
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Révisée par
PubliéeISO 9644:2018