All Pumps Machinery Company Limited.

Air Operated Diaphragm Pumps

All Pumps Machinery provides QBY3 diaphragm pumps china Series Air Operated Diaphragm Pump is a newly developed model of the third generation ADD pump series pneumatic diaphragm pump, with long service life, non-stop operation, not only can transport some medium that is not easy to flow, but also has the advantage of self-priming pumps, submersible pumps, shield pumps, slurry pumps, impurity pumps, etc.

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Features of Air Operated Diaphragm Pumps

1. No need to pump water backwards, the suction stroke is 3m, the water outlet is 70m, and the outlet pressure is 6bar;

2. Wide flow and good performance. The maximum particle size allowed to pass is up to 10mm. Minimal damage to the pump when draining mud and impurities;

3. Open the pneumatic valve and steplessly adjust the delivery head and flow (the pneumatic pressure can be adjusted between 1-7bar);

4. The pump has no rotating parts and no bearing seals;

5. No electricity. Safe and reliable when used in flammable and explosive places.

6. Can be soaked in medium;

7. Easy to use, reliable work;

8. Simple structure, installation, maintenance and few wearing parts;

9. Permeable glue (viscosity below 10000 centipoise);

10. The pump does not need lubricating oil. Even idling has no effect on the pump. This is a feature of this pump.

Specification of Air Operated Diaphragm Pumps

Pump Connection Size

3/8"- 5" (10mm - 125mm)

Max. Pump Flowrate

1041L/M (275GPM or 17L/S)

Max. Working Pressure

0.84MPa(120PSI or 8.4bar)

Max. Air Consumption


Temperature Range

440°F /200°C

Materials of Construction

Cast Iron, aluminum alloy, PP, Fluoroplastic, Polypetalous, PVDF, Stainless Steel 304/316/316L

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