This series is a roller type shot blasting machine, mainly used in construction, bridge and other industries. It is used for stress relief and surface rust removal and cleaning of large steel I-beam and H-beam steel structures with higher dimensions.
| type | QH698 | QH6912 | QH6915 | QH6920 | QH6925 |
| Steel plate width mm | ≤800 | ≤1200 | ≤1500 | ≤2000 | ≤2500 |
| Profile height mm | ≤2000 | ≤2000 | ≤2000 | ≤2000 | ≤2000 |
| Cleaning speed m/min | 0.5-2 | 0.5-2 | 0.5-2 | 0.5-2 | 0.5-2 |
| Shot blasting amount kg/min | 8×125 | 8×125 | 8×200 | 10×250 | 12×250 |
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