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The Professional High Flow Pneumatic Double Diaphragm Pump is built for demanding applications requiring fast, stable, and safe liquid transfer. With an optimized air motor and large flow chamber, it delivers exceptional flow performance even under low air pressure. This model is widely used for dewatering operations in mines, transferring sludge, slurry, or sewage containing fine particles. The high flow capacity reduces downtime and improves productivity in harsh underground conditions, making it a trusted choice for professional industrial use.
| Model | Flow Rate (m³/h) | Head (m) | Outlet Pressure (kgf/cm²) | Suction Lift (m) | Max Allowed Particle Size φ(mm) | Max Supply Air Pressure (Kgf/cm²) | Max Air Consumption (m³/min) |
| QBY-10 | 0~0.8 | 0~50 | 6 | 5 | 1 | 7 | 0.3 |
| QBY-15 | 0~1 | 0~50 | 6 | 5 | 1 | 7 | 0.3 |
| QBY-25 | 0~2.4 | 0~50 | 6 | 7 | 2.5 | 7 | 0.6 |
| QBY-32 | 0~6 | 0~50 | 6 | 7 | 4.0 | 7 | 0.6 |
| QBY-40 | 0~8 | 0~50 | 6 | 7 | 4.5 | 7 | 0.6 |
| QBY-50 | 0~12 | 0~50 | 6 | 7 | 8 | 7 | 0.9 |
| QBY-65 | 0~16 | 0~50 | 6 | 7 | 8 | 7 | 0.9 |
| QBY-80 | 0~24 | 0~50 | 6 | 7 | 10 | 7 | 1.5 |
| QBY-100 | 0~30 | 0~50 | 6 | 7 | 10 | 7 |
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No. 18, Xinggong Middle Road, Gangtou Industrial Zone, Wenxi Town, Qingtian County, Lishui City, Zhejiang Province, China
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