
Agricultural Irrigation Equipment - Volumetric Valves - General Requirements And Test Methods
出版:Nederlands Normalisatie Instituut

專家解讀視頻
Defines general requirements and test methods for volumetric valves able to deliver automatically 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.
ISO 7714:2000 - Identical