Table of Contents

Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Main valve components<br>5 Design<br>6 Materials<br>7 Production testing and inspection<br>8 Performance test<br>9 Vacuum test<br>10 Type test<br>11 Determination of pilot operated safety valve <br>&nbsp;&nbsp;&nbsp;performance<br>12 Sizing of pilot operated safety valves<br>13 Marking and sealing<br>Bibliography

Abstract

Describes the requirements of design, test and inspection methods for diaphragm-type pilot operated safety valves, which are used in cargo tanks of LNG carriers in order to keep the pressure inside the tank below maximum allowable working pressure.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 8
Supersedes	ISO/DIS 18154 : 60.00 (2017)