Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope <br>2 Normative references <br>3 Terms and definitions <br>4 Requirements for all rooms <br>5 Clean air supply<br>6 Requirements for pressurized rooms<br>7 Requirements for artificially ventilated rooms<br>8 Marking<br>9 Instructions <br>Annex A (informative) - Maintenance<br>Annex B (informative) - Guidelines when pressurization<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;or artificial ventilation is not immediately restored<br>Annex C (informative) - Examples of applications and<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;associated guidelines<br>Bibliography

Abstract

Provides requirements for the design, construction, assessment, verification and marking of rooms used to protect internal equipment by pressurization or artificial ventilation or both as applicable when located in an explosive gas atmosphere or combustible dust atmosphere hazardous area with or without an internal source of a flammable gas or vapour.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 31