It is used for wind speed control and air volume regulation. Featuring easy operation and compact structure, it can be directly installed on the air duct, with one end connected to the air duct and the other end connected to the flexible air duct.
The circular single-blade butterfly valve can be manufactured with flange edges as required. Specifications can be customized arbitrarily with a body length of L=200mm.
Technical Parameters
| Air duct size | Φ150 | Φ200 | Φ250 | Φ300 | Φ350 | Φ400 | Φ450 | ＞450 |
| Valve body thickness (L) | 170 | 200 | 250 | 300 | 300 | 350 | 400 | 210 |