Ventiflex Duo | Protan

Protan Ventiflex Duo System

Protan Ventiflex Duo is a concept that has been developed to transport air through narrow passages or in tunnels with limited headroom without compromising the air flow.

The idea is simply to substitute the main duct, with two smaller diameter ducts, through a transition piece, not compromising on air volume and other capabilities of the designed ventilation system.

LESS ENERGY CONSUMPTION
Protan Ventiflex Duo has a larger cross-section than other similar systems, which means lower energy consumption for the same installation height and fan output. It also delivers more air to the face with the same fan output.

TWO INDEPENDENT DUCTS
The two standard ducts are independent, and are utilizing all the standard coupling systems. The advantage is obvious, the duo-duct has no conceptual limitations for the total duct-length installation.

SYSTEMS DESCRIPTIONS:

Tunnel roof
Hooks
Wire / Anchor
Suspension rib
Ventiflex duct

D = Duct Diameter
X = Clearance tunnel roof - duct
Y = Distance pipe - wire = 0,21xD

BENEFITS:

Lower energy consumption
Up to 40 % more headroom
Two independent standard ducts

Did you know that in the old days, birds were used as an early warning system in mines? If the bird in the cage hanging in the gallery stopped twittering, there was clearly not enough oxygen and the miners would have to get out.