Tunnel ventilation system

Features

It uses data from instrumentation equipment to monitor the environment inside the tunnel and implements optimal ventilation control to provide a safe environment for passing vehicles at all times. It can also exhaust smoke in the event of a fire and supports evacuations from tunnels.

Product Lineup

Axial flow exhausting device

Ebara has been manufacturing tunnel ventilation fans since 1958 and installing them in major tunnels in Japan.

Jet fans

With a lineup ranging from φ630 mm to φ1500 mm, these fans can be optimally combined.

Adjustable-blade axial flow exhausting device

The follow-up angle can be adjusted using hydraulic pressure to optimize the airflow control and reduce power consumption.