• Discharge bellows for powdred products as cement, kaolin..
• Welding fumes extraction
• Evacuation of materials in particles, as sawdust
• Air renewal in cargo áreas, closed áreas, Paint booths..
• Grain cooling storaged in silos by air injection

The sections of this type of pipe can be joined by a collar clamp, made of resistant PVC two tube outline, inwardly reinforce with Steely wire equipped with a zinced adjusting lever for a quick adjustment. The ducts can also be provided with a free hose to be adapted to the personal requirements and needs of the customers. This hose can be served unfinished, with hemline or provided of a surrounding string.

In this kind of pipes, the clamping is carried out by galvanized hook anchored to the replenishment ring.