DIN 21626:1986
Auxiliary ventilation in coalmines; fans with hybrid (electric/pneumatic) drive
- Standard No.
- DIN 21626:1986
- Release Date
- 1986
- Published By
- German Institute for Standardization
- Status
- 2010-07
- Replace By
- DIN 21626:2010
- Latest
- DIN 21626:2011-02
- Scope
- Fans with hybrid drive, i.e. fans with a combined electric and pneumatic propulsion, are specially used for the auxiliary ventilation in fire damp areas of underground coalmines. The standard includes as well technical as safety requirements. As to operational practice there are given characteristic curves with rated working points marked.
DIN 21626:1986 history
- 2011 DIN 21626:2011-02 Fans with hybrid (electric/pneumatic) motor drive intended for use in potentially explosive atmospheres in coal mines
- 2011 DIN 21626:2011 Fans with hybrid (electric/pneumatic) motor drive intended for use in potentially explosive atmospheres in coal mines
- 2010 DIN 21626:2010 Fans with hybrid (electric/pneumatic) motor drive intended for use in potentially explosive atmospheres in coal mines
- 1986 DIN 21626:1986 Auxiliary ventilation in coalmines; fans with hybrid (electric/pneumatic) drive
