VENTAFLEX® GmbH & Co. KG

+49 2505 – 93 8290

Mon – Thu: 8:00 a.m. – 17:00 p.m.
Fri: 8:00 a.m. – 13:30 p.m.

Advantage: Insulation/thermal protection

 

Structure and thermal insulation of duct types by comparison

VENTAFLEX air duct insulated

No corrosion:
visually appealing and durable

Conventional duct

Vulnerable für corrosion:
therefore quickly unsightly and defective

 

Thermal conductivity by comparison

VENTAFLEX air duct insulated

Above average high insulation value WLS 022 – almost no thermal loss, no condensate formation

Conventional duct

High thermal losses –
the result is condensate formation

 

VENTAFLEX air duct: good insulation is visible on the thermal image!

 

Sample calculation thermal loss:


Diameter: 520 mm
Insulation: 50 mm
Surface: 18,84 m²
Duct length: 10 m
Temperature difference: 30 K

 

 VENTAFLEX
PUR rigid foam insulation		Spiral duct mineral
wool insulation		Spiral duct
rubber insulation
Thermal transmission coefficient:0,022 W/mK0,038 W/mK0,040 W/mK
Thermal loss249 W430 W453 W

Thermal loss = Thermal transmission coefficient x surface x temperature difference/ material thickness

 

At a glance

Structure of the material, insulation and thermal transmission value.

 

Download comparison of VENTAFLEX with conventional duct

Download topic heat permeability

 

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Top-Downloads

VENTAFLEX Calalog 2023

All air duct products, technical details, supplies and installation instructions can be found in our general catalog.

• Installation of VENTAFLEX air ducts with VENTASNAP and VENTAFIX
• Glueing of VENTAFLEX air ducts
• Installation of a compensator for the expansion compensation

• Laying the air ducts
• Length adjustment of air ducts
• Installation LAVANTUS ring seal
• Installation LavantusGrip