QBY/QBK air operated diaphragm pumps not only can exhaust the flow liquid, but also can convey some uneasy flowed medium, with the merits the merits of self-pumping pump, diving pump, shield pump, slurry pump and impurity pump etc.
| Type | Max Flow Rate （L/Min） |
Discharge Pressure (Bar) |
Sucked Lift (m) |
Max Grain Diameter (mm) |
Max Air Consumption (L/min) |
Material Of Diaphragm | ||||
| Buna-N | Neoprene | EPDM | Viton | Teflon | ||||||
| QBK-8 | 16 | 6.9 | 5 | 1 | 300 | ● | ● | ● | ● | ● |
| QBK-10-15 | 20 | 6.9 | 5 | 1 | 300 | ● | ● | ● | ● | ● |
| QBK-25 | 100 | 6.9 | 5 | 2.5 | 600 | ● | ● | ● | ● | ● |
| QBK-40 | 140 | 6.9 | 5 | 4.5 | 600 | ● | ● | ● | ● | ● |
| QBK-50 | 240 | 6.9 | 5 | 8 | 900 | ● | ● | ● | ● | ● |
| QBK-80 | 400 | 6.9 | 5 | 10 | 1500 | ● | ● | ● | ● | ● |
