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Roadway air doors by this document are chiefly located in main motor-haulage roads. Their style of construction allows the direct joining of travelling track air doors as to DIN 21631. The air doors are without pressure reduction.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 73.100.20 : Ventilation, air-conditioning and illumination equipment
|
| Number of pages | 23 |
| Replace | DIN 21633 (1993-10) |
| Year | 2011 |
| Document history | DIN 21633 (2011-03) |
| Country | Germany |
| Keyword | 21633 |