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This standard applies to hybrid fans (fans with combined electric and pneumatic drive) for use in potentially explosive atmospheres of coal mines. Such fans serve with the help of ventilation ducts for the auxiliary ventilation in coal mines.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 73.100.20 : Ventilation, air-conditioning and illumination equipment
|
| Number of pages | 8 |
| Replace | DIN 21626 (2010-07) |
| Year | 2011 |
| Document history | DIN 21626 (2011-02) |
| Country | Germany |
| Keyword | 21626 |