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CONNECTION OF SEMI-RIGID DUCTS
Place two seals on each duct end on the flange connection side.
WARNING! If the ducts are to be covered with concrete, make sure to provide extra sealing for the joint between the
duct and the ange and the joint between the ange and the plug using a cold shrink tape.
Fixing the air ducts with a lock ring
1. Remove the lock ring (supplied with the flange). 2. Insert the air duct with the sealing ring into the flange.
3. Secure the duct using the lock ring.
Fixing the air ducts with a universal lock
1. Insert the air duct with the sealing ring into the flange. 2. Secure the duct with a universal lock.
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