90.93 Standard confirmed Apr 22, 2020
ISO
ISO/TC 23/SC 18 Irrigation and drainage equipment and systems
International Standard
65.060.35 Irrigation and drainage equipment
Published
ISO 9635-3:2014 specifies construction and performance requirements and test methods for check 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 check irrigation valves of DN 15 diameter or greater, designed to operate in the fully open and fully closed positions, but which can also operate for extended time periods in any intermediate position.
WITHDRAWN
ISO 9635-3:2006
PUBLISHED
ISO 9635-3:2014
90.93
Standard confirmed
Apr 22, 2020
