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Air-Tightness 1500 Pa in the AVANT Range

The AVANT  Range is becoming the best selling one, because its method of production allows us to implement constant improvement, thus making the chimney the most polyvalent one.

The latest improvement is a new joint developed by Convesa that, in addition to the homologated P1 type air-tightness (200 Pa), according to standard EN 1856-1, also guarantees the air-tightness in the connections up to a fume pressure of 1.500 Pa (trial-tested at an accredited laboratory).