Reference number
ISO 9635-4:2006
© ISO 2024
ISO 9635-4:2006
Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves
Edition 1
2006-11
Withdrawn
Withdrawn (Edition 1, 2006)

Abstract

ISO 9635-4:2006 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 (1/2 inch) 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.

General information

  • Status
     : Withdrawn
    Publication date
     : 2006-11
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 11
  • Technical Committee :
    ISO/TC 23/SC 18
    ICS :
    65.060.35 
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