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The weathertight flaps described in this standard are used on ships as an essential component of the ventilation flaps in accordance with DIN 83409, but they are also used as a ready-to-install unit for other purposes. The standard contains the design specifications and nominal dimensions for the assembly of covers and frames. The flaps described here can be made of steel or aluminum. The committee NA 132-01-02 AA "Doors and hatches" at DIN is responsible for this draft standard. Committee NA 132-01-02 AA "Türen und Luken" ("Doors on ships and side scuttles") at DIN is responsible for this standard.
This document replaces DIN 83408-1:1987-06 .