Mainly used to derusting and sanding blast in the inner-wall of the pipe which diameter between 80mm to 300mm and its clean garde is up to Sa2.5.
The available abrasives of the machine are:shot metal,mineral ore.The granularity are 25 screen mesh (0.71mm) and 10 screen mesh (2mm)
| Product name | Pipe inner wall sandblasting machine | 
| Applicative pipe inner-wall diameter | 60-300mm | 
| Air consumption volume | 3-6m3/m | 
| Working pressure | 0.5Mpa - 0.7Mpa | 
| Weight | 16Kg | 
| Working diameter range | 60mm-280mm. | 
| The max abrasive size | 1mm | 
| Model | JL-800 |