Rectangular ducts and fittings

HAVACO rectangular ducts and fittings are of the highest manufacturing quality.

• - Made of galvanized sheet DX51D+Z 275.
• - Made in accordance with the standard: PN-EN 1505:2001.
• - Leakage class A or B according to the standard: PN-EN 1507:2007
• - Prefabricated rectangular measured according to DIN 18379
• - Duct below a length of 900mm is treated as a shaped piece
• - Roundness of fittings up to 1m2
• - Duct strings divided into 1.5mb lengths
• - Ducts with lengths between 1.5-2.0 mb are counted as 1.5mb duct + fitting