Induced draft fan HNA

These extremly strong vents are produced in a complex, traditional manufacturing process under DIN/HNA (Handelsschiff-Normen-Ausschuss) for the shipping industry

In a functionality without frills these decade long proven models guarantee a very effective ventilation below deck.
Made from extremly thick 1,5mm sheet steel, hand welded and galvanized.

Because of the complex manual production longer delivery times are possible.

Trumpet induced draft fan Lü2 for outlet air.