Agricultural irrigation equipment. Irrigation valves - General requirements has-corrigendum and high reliability of the

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

A brief introduction to the determination of a measurement uncertainty according to ISO/IEC Guide 98-3:2008is given in PD IEC/TR 62627-04

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Agricultural irrigation equipment. Irrigation valves - General requirements has-corrigendum and high reliability of the1 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