The machinery type of this series fits for cleaning up section steel, steel structure, steel board architectural machine and other large jointing mechanical part. It is useful for wiping up the surface rusting, welding slag, oxide coating, eliminating interior residual stress, obtaining uniformity metallic sheen. So as to enhance the coated quality and antisepsis effect.
| Parameter | Unit | QT20H | QT50H | QT3740H | QT3720H |
| The exterior size of cleaning casting | mm | 5880 x3185 x957 | 4000 x3270 x1320 | 2500 x4650 | 2000 x3200 |
| The type of impeller head | | XQH400 | XQH400 | XQH350 | XQH300 |
| Power | kw | 8 x18.5 | 8 x18.5 | 8 x15 | 12 x11 |
| The quantity of shot blasting | kg/min | 8 x280 | 8 x280 | 8 x250 | 12 x200 |
| Total power(except for dust cleaning) | kw | 187.4 | 187.4 | 148.3 | 168.3 |
| Total air rate volume | | 30000 | 30000 | 19000 | 38000 |
| The external dimension of machine(length x width x height) | mm | 18000 x8150 x11300 | 21000 x7000 x11509 | 14000x6200x7500 under ground 1650 | 19000 x72000 x7080 under ground 2150 |