Application: air ventilating and exhausting in
subway, tunnel, mineral, mountain,
and construction engineering
Specification: 1) Type: A-Adujustable blade pitch in
operation
B-Adjustable blade pitch in static
stand 2) Fan
diameter:***0mm
3) Air volume: *5,**0 -
**0,**0m³/h
4) Air pressure:
***0Pa.
5)material:impeller is cast
aluminium
case is carbon steel