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Auxiliary ventilation in mining is always necessary, when underground working places are not connected to the main air current. The auxiliary ventilation is done with sheet airducts or with plastic airducts; those are joined to a fan. This standard applies to sheet steel ventilation ducts with collars and loose fanges.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 73.100.20 : Ventilation, air-conditioning and illumination equipment
|
| Number of pages | 6 |
| Replace | DIN 21603 (1985-10) |
| Year | 2009 |
| Document history | DIN 21603 (2009-10) |
| Country | Germany |
| Keyword | 21603 |