39
blaubergventilatoren.de
Joining of exible insulated air ducts
The flexible insulated air duct must cover the flange of the fitting to which it is secured for not less than 50 mm.
The nipple used for attaching air ducts should be not less than 100 mm.
A corresponding adhesive tape and clamp should be used for providing air tightness and fixation of a joint.
Flexible insulated air ducts can be applied in the ventilation systems with the pressure up to 1500 Pa.
1. After the required length of the duct has been determined, it must be cut it with a knife or scissors.
Cut the wire with pliers.
.
2. Stretch at least 25 mm of the inner layer over the spigot.
Insulate the joint between the spigot and the inner duct layer with at least two layers of adhesive tape.
Secure the joint by a clamp placing it over the inner layer of an air duct and an adhesive tape.
3. Pull the insulation of an air duct and its outer layer back, over the inner layer.
Wrap the outer duct layer with at least two coils of adhesive tape.
A clamp can be applied with an adhesive tape or separately.
To Next Page
Loading...
