QBY Air-Operated Diaphragm Pump (AODD)QBYS Stainless Steel Pneumatic Diaphragm Pump
The QBYS is the stainless-steel version of the QBY pneumatic diaphragm pump — SS304/SS316 for corrosive, food and hygienic fluids. Full size range, in stock.

When You Need Big FlowThe QBY-80 and QBY-100 are the largest standard models. They handle high-volume transfer jobs where smaller pumps would struggle. Both models share the same robust design princip…
| Flow Rate | 0-30m³/h |
|---|---|
| Head | 0 – 50 / 70m |
| Inlet / Outlet Diameter | 10 – 100mm |
| Material | PP Engineering Plastic, Aluminum Alloy, Cast Iron, Stainless Steel |
When You Need Big Flow
The QBY-80 and QBY-100 are the largest standard models. They handle high-volume transfer jobs where smaller pumps would struggle. Both models share the same robust design principles.
Side-by-Side Comparison
| Parameter | QBY-80 | QBY-100 |
|---|---|---|
| Port Size | 80 mm (3″) | 100 mm (4″) |
| Max Flow | 24 m³/h | 30 m³/h |
| Max Head | 60 m | 60 m |
| Solids Passage | 10 mm | 10 mm |
| Air Consumption | 1.5 m³/min | 1.5 m³/min |
Where They Excel
•
Municipal wastewater lift stations
•
Large chemical storage tank farms
•
Mining dewatering systems
•
Bulk food ingredient transfer
•
Industrial effluent collection
Installation Consideration
These pumps need a substantial air supply. Ensure your compressor can deliver 1.5 m³/min continuously.
Applications Summary:
high volume transfer, municipal wastewater, chemical storage, mining dewatering, bulk food transfer, industrial effluent
Thanks for visiting HAQUANPUMP. We supply QBY-80 and QBY-100 pumps for large-scale applications. Contact us for sizing and pricing.
QBY Air-Operated Diaphragm Pump (AODD)The QBYS is the stainless-steel version of the QBY pneumatic diaphragm pump — SS304/SS316 for corrosive, food and hygienic fluids. Full size range, in stock.
QBY Air-Operated Diaphragm Pump (AODD)The Full QBY FamilyThe QBY series covers eight standard sizes from 10 mm to 100 mm. Flow ranges from 0.8 m³/h to 30 m³/h. Head goes up to 60 meters. There’s a model for almost every job. Complete Mode…
QBY Air-Operated Diaphragm Pump (AODD)Choosing the Right Body MaterialThe QBY comes in four standard materials. Each has strengths for different applications. Here’s a quick comparison. Material Comparison Table Material Weight Corrosion…