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 to internal<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pressure of shell and all pressure-containing components<br>Annex B (normative) - Test method for resistance of obturator<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to differential pressure<br>Annex C (normative) - Test method for resistance of valves to<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bending<br>Annex D (normative) - Minimal test method for watertightness<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to external pressure of shell and all pressure-containing <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;components<br>Annex E (normative) - Test method for resistance to chemicals<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and fertilizers<br>Annex F (normative) - Test method for water or air tightness <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of valve body<br>Annex G (normative) - Test method for seat tightness<br>Bibliography

Abstract

Defines construction and performance requirements and test methods for 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 9635 : 1990 ISO/DIS 9635-1 : 60.00 (2014)