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SC 31M

Non-electrical equipment and protective systems for explosive atmospheres
 
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SC 31M Work programme (4)

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ISO/IEC 80079-38 ED2

Explosive atmospheres - Part 38: Equipment and components in explosive atmospheres in underground mines

 31M/177/RR 2022-11 ACD
  • ACD
  • Approved for CD

2022-11

 CD
  • CD
  • Draft circulated as CD

2023-07

 MT 80079-38 Jim Munro 2025-12
ISO/IEC 80079-41 ED1

Explosive atmospheres - Part 41: Reciprocating internal combustion engines

 31M/144/CD 2015-03 TCDV
  • TCDV
  • Translation of CDV

2023-03

 CCDV
  • CCDV
  • Draft circulated as CDV

2023-04

 PT 80079-41 Elmar Fuchs 2024-06
ISO/IEC 80079-49 ED1

Flame arresters — Performance requirements, test methods and limits for use

 31M/173/CDV 2021-04 PRVC
  • PRVC
  • Preparation of RVC

2022-11

2023-02

 WG 2 Graham P Ackroyd 2023-12
ISO/IEC 80079-50 ED1

Explosion venting devices

 31M/156/NP 2021-04 ACD
  • ACD
  • Approved for CD

2021-04

 CD
  • CD
  • Draft circulated as CD

2023-06

 PT 80079-50 Kees van Wingerden 2024-05