Product Description

Tunnel fans are widely used in water conservancy dam projects, highways, 
railways, subways and other tunnels. Tunnel jet fans include: unidirectional jet fan and bidirectional jet fan. Two way jet fans are electronic and mechanical. It can be switched to the rated speed of the fan in forward and reverse directions within *0 seconds. For occasions with high noise requirements. muffler can be added to reduce its noise.
Product features: the shell is formed by rotary flanging machine tool imported from the United States, the inner wall of the impeller section is refined, corrosion resistance. reliability and economy, and the muffler can also be added to reduce the noise. Direct drive, small maintenance workload.
You could provide us the parameters and we will recommend types and quote price accordingly.