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About This Item

 

Full Description

ISO 9635-5:2006 specifies construction and performance requirements and test methods for control 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 control irrigation valves of DN 15 (1/2 inch) diameter or greater, designed to operate in any position, from fully open to fully closed. The valves can either be directly operated (i.e. the force applied via a spring or diaphragm to the obturator), or pilot-operated (i.e. the force is applied through an adjustable pilot valve via a diaphragm).

 

Document History

  1. ISO 9635-5:2014


    Agricultural irrigation equipment - Irrigation valves - Part 5: Control valves

    • Most Recent
  2. ISO 9635-5:2006

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    Agricultural irrigation equipment - Irrigation valves - Part 5: Control valves

    • Historical Version
  3. ISO 9635:1990


    Irrigation equipment - Hydraulically operated irrigation valves

    • Historical Version