Protan Ventiflex Duo
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.
For narrow passages
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.
In order to ensure efficient delivery of our best-selling ventilation systems, the products we offer are divided into three categories.
Ventiflex items in stock
Delivery time* for our in stock ventilation systems is 2 days.
Duct qualities | Diameter | Length pr section (meter) | Coupling | Hooks | Application |
V6298 | 1000 mm | 10 | VF coupling | Snap hooks | Mining |
V6298 | 1000 mm | 10 | LP coupling | Snap hooks | Mining |
V6298 | 1200 mm | 10 | Zip coupling | Snap hooks | Mining |
V6298 | 1200 mm | 10 | LP coupling | Diamond hooks | Mining |
Ventiflex standard
Delivery time* for our standard ventilation systems is maximum 10 days.
Duct qualities | Diameter | Length pr section (meter) | Coupling | Hooks | Application |
V6298 | 800 mm | 5, 10, 20, 25, 50, 100, 200 | Optional | Snap hooks | Mining |
V6298 | 1000 mm | 5, 10, 20, 25, 50, 100, 200 | Optional | Snap hooks | Mining |
V6298 | 1200 mm | 5, 10, 20, 25, 50, 100, 200 | Optional | Snap hooks | Mining |
V6698 | 1400 mm | 5, 10, 20, 25, 50, 100 | Optional | Snap hooks | Tunnel |
V6698 | 1600 mm | 5, 10, 20, 25, 50, 100 | Optional | Snap hooks | Tunnel |
V6698 | 1800 mm | 5, 10, 20, 25, 50, 100 | Optional | Snap hooks | Tunnel |
V6698 | 2000 mm | 5, 10, 20, 25, 50, 100 | Optional | Snap hooks | Tunnel |
Ventiflex customised
We are able to deliver our ventilation ducts in many dimensions and length. We deliver also different qualities, couplings and hooks.
Please contact us for solutions and delivery time.
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Regardless of category, we will always strive for shortest possible delivery time for all our customers.
Download Terms of sale and delivery here.
* Delivery time is defined as the time from receipt of written order until ready Ex Works (EXW) factory at Nesbyen, Norway.
Get details on Specifications for Ventiflex ventilation ducts here.
Download Calculated Burst Pressure for Ventiflex here.