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4
Lay the air ducts by securing them to the surface with
mounting tape.
WARNING! Before the ducts are covered with concrete, make sure to provide extra sealing for the joint between the
duct and the flange and the joint between the flange and the plug using a cold shrink tape.
6
Insert the ducts with the sealing rings into the
flanges.
8
Secure the duct and the plugs using the lock rings.
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5
Place two seals on each duct end on the flange
connection side.
7
Close the unused flanges with plugs.
29
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