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Slander Door
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HFD83 is an ultra-high elevation solution for folding doors featuring a 60mm sash thickness. Engineered with a bottom tracking design and high-performance rolling wheels, it is ideal for covering large openings. This system supports an unlimited number of sashes, with each sash capable of reaching a maximum height of 6.0m and supporting up to 250KG via load-bearing rollers.
| Technical Performance Ratings | ||||
|---|---|---|---|---|
| Heat Preservation | Sound Insulation | Watertight | Airtight | Wind Load |
| 2.3-2.8 W(m2.k) | 35DB (Level 4) | 500PA (Level 5) | Level 5 | 4.1KPA (Level 7) |



| Component | Sash Dimensions | Visible Width | Aluminum Depth | Glass Options |
|---|---|---|---|---|
| Bi-Folding Door | W: 600-1100mm H: 1920-6000mm |
Frame: 80mm Sash: 84mm |
Frame: 92mm Sash: 83mm |
SGU: 6-10mm DGU: 19-35mm |
Available in Powder Coating, Anodized, and Wood Grain finishes.



| Alloy Type | Extrusion Lines | Coating Line | Annual Output |
|---|---|---|---|
| 6063/6061-T4,5,6 | 14 Lines | Vertical Coating | 100,000 Tons |




