Agricultural irrigation equipment. Irrigation valves - General requirements Ingestion-build-115288 BS 6978-2 is a standard

BS 6978-2 is a standard that covers testing for seed drills for rows

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Agricultural irrigation equipment. Irrigation valves - General requirements Ingestion-build-115288 BS 6978-2 is a standard1 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