ALAV-C
ALAV-F
| 类型 | ΦA(mm) | B（毫米） | C（毫米） | ΦD（毫米） | E(mm) |
| ALAV80 | 97 | 4.2 | 10.8 | 80 | 15 |
| ALAV100 | 125 | 2.2 | 16.3 | 99 | 19 |
| ALAV125 | 151 | 2.2 | 16.3 | 99 | 18 |
| ALAV150 | 172 | 3 | 15 | 148 | 18.5 |
| ALAV160 | 182 | 2.7 | 14.8 | 158 | 17.5 |
| ALAV200 | 223 | 3.4 | 16.5 | 190 | 17.5 |
| ALAV250 | 274 | 3.8 | 15.1 | 248 | 19.5 |
| ALAV315 | 347 | 6.3 | 13.5 | 315 | 20 |
| ALAV400 | 438 | 5.6 | 34.8 | 399 | 40.5 |
| ALAV500 | 543 | 5.5 | 33.5 | 497 | 39 |
- 圆形百叶窗 - 应用：用于 通风系统 – Material: Moulded aluminium and lnox mesh - 颜色 ：铝质自然饰面 – Composition: Moulded aluminium body with enclined aluminium blades. Equipped with welded insect screen. Can be removed in mechanical ventilation, Size from Φ80 to Φ500,Φ315 and Φ500 different look - 安装：可安装在管道或圆形管道中外墙开口 |
