Marking and colour coding of gas cylinders, quads and banks for diving applications

  • Recommended Practice
  • Revision 0.1 - February 2024

This document provides guidance on the marking and colour coding of gas cylinders, quads, and banks for diving applications, emphasising safety and compliance with international standards.

Contents

  • Scope 

  • Objective 

  • Application 

  • Comment 

  • Marking, Labelling and Colour Coding 

  • Gas Suppliers Quads 

  • Gas Sampling 

  • References 

  • Appendix 1 – Diving Industry Commonly Accepted Colour Coding 

  • Appendix 2 – Gas Mixtures for Medical or Inhalation Purposes 

  • Appendix 3 – Some Typical Examples of Quads and Banks 

  • Appendix 4 – Typical Example of a Cylinder Labelling System


Revision

  • Rev. 0.1 - February 2024
    Addition of new section 5.4 Breathing Air Receivers; refresh of page 2 preamble and document layout
  • Rev. - November 2007
    Initial publication