Find out more about the types of IMCA documents and our definitions

    • Background 

    • Aims 

    • Application 

    • Cylinder and Valve Threads 

    • Marking 

    • Procedures and Mitigation 

    • Conclusions 

    • References 

    • Appendix 1 – Example of a Diving Cylinder Thread Size Verification Register

    Date: Reason: Revision:
    Date:May 2024 Reason:Foreword, reference links and bookmarking updated; no change to content Revision:Rev. 0.1
    Date:May 2020 Reason:Initial publication Revision:Rev.