Norm

NEN-ISO 9635-4:2014 en

Irrigatie-apparatuur voor de landbouw - Irrigatiekleppen - Deel 4: Luchtkleppen

79,70

Over deze norm

Status Definitief
Aantal pagina's 14
Gepubliceerd op 01-12-2014
Taal Engels
NEN-ISO 9635-4 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.

Details

ICS-code 65.060.35
Nederlandse titel Irrigatie-apparatuur voor de landbouw - Irrigatiekleppen - Deel 4: Luchtkleppen
Engelse titel Agricultural irrigation equipment - Irrigation valves - Part 4: Air valves
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