Entrematic Dynaco D-411 Door
The Entrematic gravity-assisted Dynaco D4 door features an edge retention system that withstands winds up to 50 to 60 miles/hr., without the addition of a heavy bottom bar or rigid wind ribs in the curtain. Suitable for sheltered docks and other industrial applications with a high air pressure differential between rooms, the Dynaco D-421 version includes a 2hp motor and spring-loaded side guides that flex to deflect wind load; if a lateral impact separates the door from the side guides, reintroduction blocks reset the door without manual intervention. The Dynaco D-411 door has a 1hp motor and is intended for high-cycle interior applications.
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