ISO 9635-4:2014

Agricultural irrigation equipment — Irrigation valves — Part 4: Air valves

Publication date: Nov 14, 2014

General information

Current stage: 90.93 Effective date: Nov 10, 2020

Originator: ISO

Owner: ISO/TC 23/SC 18

Type: International Standard

ICS: 65.060.35

Languages: English

Buying

Status: Published

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Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 9635-4:2006

NOW

PUBLISHED
ISO 9635-4:2014
90.93 Standard confirmed
Nov 10, 2020

REVISED BY

ABANDON
ISO/WD 9635-4

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