Scope of Application
Shopping malls, storefronts, garages, villas
Key Features
1. Comfortable radio remote-control functionality, with soft-key switches integrated into the door control panel.
2. A perfect obstacle detection system: the electromechanical contact bottom strip provides safety protection when the door is closing.
3. Emergency manual crank, used to open and close the rolling shutter in the event of a power outage.
Material Selection Explanation
The two most common types of aluminum alloy rolling shutter profiles:
1. The effective width of the DAK77 double-layer aluminum alloy curtain slat is 77 mm, and the curtain
The door’s unique noise-reducing rubber strip design ensures virtually silent operation during rotation; its thickened, widened aluminum alloy guide rail system delivers exceptional wind resistance for large-span doors. This product is widely used in villa garages, retail stores, and large industrial plants and warehouses, with a maximum span of up to 8.5 meters.
2. The DAK55 double-layer, non-perforated aluminum alloy curtain panel has an effective width of 55 mm. Small 20 mm × 2.3 mm holes can be drilled at the panel’s hooking points to allow for natural light and ventilation. In addition, the unique sound-damping rubber strip design between the panels ensures virtually silent operation when the door is opened or closed. The maximum usable width is ≤4,000 mm.



Keywords
Aluminum Alloy Security Roller Shutters
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