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Norm
ISO 9635-4:2014
Ausgabedatum: 2014 11 14
Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves
ISO 9635-4:2014 specifies construction and performance requirements and test methods for air valves, intended for operation in irrigation systems with water at temperatur...
Gültig
Herausgeber:
International Organization for Standardization
Format:
Digital | 14 Seiten
Sprache:
Englisch
ICS
ISO 9635-4:2014 specifies construction and performance requirements and test methods for air 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 hydraulically operated air irrigation valves of DN 15 diameter or greater, designed to be directly operated, i.e. the force is applied to the obturator by the float, either directly or via a mechanical linkage. The valves can be operated by a force applied through an adjustable pilot valve.
ISO 9635-4:2014
2014 11 14
Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves
Norm
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ISO 9635-4:2006
2006 11 20
Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves
Norm
