DIN 21631:2011
Air regulating systems for mining - Wing air doors for travelling tracks - One-wing type air doors without pressure reduction
- Standard No.
- DIN 21631:2011
- Release Date
- 2011
- Published By
- German Institute for Standardization
- Status
- Replace By
- DIN 21631:2011-03
- Latest
- DIN 21631:2011-03
DIN 21631:2011 history
- 2011 DIN 21631:2011-03 Air regulating systems for mining - Wing air doors for travelling tracks - One-wing type air doors without pressure reduction / Note: DIN 21631 (1993-01) remains valid alongside this standard until 2011-08-31.
- 2011 DIN 21631:2011 Air regulating systems for mining - Wing air doors for travelling tracks - One-wing type air doors without pressure reduction
- 1993 DIN 21631:1993 Air regulating systems in mining; wing air doors for travelling tracks; air doors without pressure reduction
