QBK pneumatic diaphragm pump is the third generation pneumatic diaphragm pump (hereinafter referred to as pneumatic pump) developed by our company. It has the advantages of long service life and no pause. Pneumatic pumps can not only pump flowing liquids, but also transport some media that are not easy to flow. It has many advantages of conveying machinery such as self-priming pumps, submersible pumps, shield pumps, mud pumps, and impurity pumps.

Product Features

1. No need for water injection. The suction lift can reach up to 5m, the head can reach 70m, and the outlet pressure is ≥ 6bar.
2. Spacious flow and good passing performance. It allows for a maximum particle diameter of 10mm. When pumping mud and impurities, there is minimal wear on the pump;
3. The head and flow can be infinitely adjusted through the opening of the air valve (the air pressure can be adjusted between 1-7 bar):
4. Pneumatic pumps have no rotating parts or shaft seals. The diaphragm completely separates the pumped medium from the moving parts and workpiece medium of the pump, and the conveyed medium will not leak outward. So when pumping toxic, volatile or corrosive media, it will not cause environmental pollution and endanger personal safety;
5. No need for electricity. It is safe and reliable to use in flammable and explosive places;
6. Can work submerged in a medium;
7. Easy to use, reliable in operation, with simple opening and closing of the gas valve for on-off. Even if the pump runs without medium for a long time or suddenly stops due to unexpected situations, it will not be damaged. Once overloaded, the pump will automatically stop, with self-protection performance. When the load returns to normal, it can automatically start running again;
8. Pneumatic pumps have a simple structure and few vulnerable parts. This pump has a simple structure and is easy to install and maintain. The medium transported by the pump does not come into contact with moving parts such as the distribution valve and connecting rod, unlike other types of pumps where performance gradually decreases due to wear and tear on components such as rotors, pistons, gears, and blades;
9. Pneumatic pumps can transport relatively viscous liquids (viscosity below 10000 centipoise);
10. Pneumatic pumps do not require oil lubrication and have no impact on the pump even when idling, which is the biggest feature of this pump.

performance parameters