ISO 7714:2008 specifies general requirements and test methods for volumetric valves able to automatically deliver preset quantities of water. It is applicable to valves actuated by pipeline pressure and flow alone, and which do not need any other, external, source of energy.
Текущий статус : WithdrawnДата публикации : 2008-09
Версия : 4
Технический комитет:Irrigation and drainage equipment and systems