Table of Contents

Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Design requirements<br>5 Performance requirements<br>6 Conformity assessment<br>7 Marking<br>8 Packaging<br>Annex A (normative) - Test method for resistance of valves<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to operating loads<br>Annex B (normative) - Torque requirements for gate valves<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to be operated by ring key and bar<br>Annex C (normative) - Test method for operation of valves<br>Annex D (normative) - Test method for endurance of valves<br>Annex E (normative) - Method for sizing operating element<br>Bibliography

Abstract

Defines construction and performance requirements and test methods for isolating valves, intended for operation in irrigation systems with water at temperatures not exceeding 60 degrees C, which can contain fertilizers and other chemicals of the types and concentrations used in agriculture.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 23
Supersedes	ISO/DIS 9635-2 : 60.00 (2014) ISO 9635 : 1990