It's equipped with speed regulator and choose best speed by technology requirement. Also mating with bucket.
The extruding disc is automatic air inflation to keep close contact with bucket wall. The gasket is made of anti-solution
rubber with long life. The material can be cleaned well when finish to save labor strength.


Technical parameters
Model | ETD-900 | ETD-1000 | ETD-1100 | ETD-1200 |
Power (kw) | 3 | 3 | 4 | 4 |
Bucket diameter (mm) | 900 | 1000 | 1100 | 1200 |
Disc diameter (mm) | 1150 | 1150 | 1250 | 1400 |
Max. range (mm) | 4000 | 4000 | 4200 | 4400 |