Agricultural irrigation equipment. Irrigation valves - General requirements has-corrigendum this can be defined as

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Who is ISO 7278-1 - Proving systems for volumetric meters for

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Agricultural irrigation equipment. Irrigation valves - General requirements has-corrigendum this can be defined as1 Scope This part of ISO 9635 specifies construction and performance requirements and test methods for 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 irrigation valves of 8 mm diameter or greater, designed to operate in the fully open and fully closed positions, but which can