| 出生地 |
Jiangsu China (Mainland) |
| 牌子的名字 |
Heding |
| 模式的数量 |
HEDING-AD |
| 类型 |
通风 |
air duct: Purpose: Fan machine could used it in coal mines, tunnel, underground for positive pressure ventilation. Air duct structure and dimension: structure: 1-end ring 2-swinging ring installation line. 3-fling ring 4-reverse Dimension: dia300,dia 400,dia 500,dia 600,dia 800,dia 1000(mm) ItemDimensionTolerance(mm)Diameter of air duct(mm)300 400 450 500 600 800 10000 ±6Length of air duct(mm)510200 ±100