DIN 83408-3
Flaps, weathertight - Part 3: Frame and covers made of aluminium
Klappen, wetterdicht - Teil 3: Deckel und Zarge aus Aluminium
Overview
The frames and covers of weathertight flap according to DIN 83408-1 described in this standard are used on ships as essential components of the ventilator flaps according to DIN 83409, but they are also used as ready-to-install units for other purposes. The standard contains the design specifications, versions and dimensions for these frames and covers. The frames and covers described here are made of aluminum.