Hydrogen · IEC / ATEX · 560

For Hydrogen, classification system is IEC / ATEX; ignition temperature (c) is 560; apparatus / gas group is IIC; temperature class is T1, recorded from its source on 2026-08-06; source re-checked 2026-10-06.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Apparatus / gas group

The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.

Hydrogen, which has an auto-ignition temperature of 560° C, will be classified in the T1 temperature class.

— cortemgroup.com, retrieved 2026-08-06

Sources

• cortemgroup.comhttps://www.cortemgroup.com/en/news/the-zones-of-the-plant-the-groups-and-the-temperature-classes-of-gases
• greenishco.comhttps://greenishco.com/Downloads/ATEX.pdf

Last verified against source: 2026-10-06. Due for re-check by 2028-10-05. This page as Markdown · OKF bundle · full dataset as JSON.