ZVVZ mine ventilators meet all the demanding requirements to ensure reliable ventilation of mines, including gaseous mines.
Axial constant-pressure fans
Only standard sizes: 710 to 4,500 mm in a series of selected R20 numbers. Transported air mass temperature of up to +250°C
Advantage
- traditional product
- low investment costs
- low maintenance costs
- simple aerodynamic regulation by swivelling the blades of the control device
- operation reliability
- non-explosiveness
![](https://www.zvvz.cz/data/imgs/4/14/27/35/122m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/35/123m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/35/124m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/35/125m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/35/126m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/35/122m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/36/128m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/36/127m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/36/129m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/36/130m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/36/131m.jpg)
![](https://www.zvvz.cz/data/imgs/4/14/27/36/128m.jpg)
Reversible axial overpressure fans
Standard sizes: 2,000 to 5,000 mm or according to the needs of a particular project. Standard temperature of transported air mass ranging between -40 and +70°C
Advantage
- extensive high-efficiency working area
- easy operation even at low power
- aerodynamic regulation by swivelling the rotor blades
- operation reliability
- rotor blade alternative materials