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.

Inherently Safe DesignThe QBY diaphragm pump doesn’t need electricity. It runs on compressed air. This makes it naturally explosion-proof — no sparks, no arcs, no hot surfaces. Where Safety Matters Mo…
| Flow Rate | 0-30m³/h |
|---|---|
| Head | 0 – 50 / 70m |
| Inlet / Outlet Diameter | 10 – 100mm |
| Material | PP Engineering Plastic, Aluminum Alloy, Cast Iron, Stainless Steel |
Inherently Safe Design
The QBY diaphragm pump doesn’t need electricity. It runs on compressed air. This makes it naturally explosion-proof — no sparks, no arcs, no hot surfaces.
Where Safety Matters Most
•
Paint mixing rooms with solvent vapors
•
Fuel transfer areas
•
Chemical storage with flammable liquids
•
Oil refinery sampling points
•
Ethanol and alcohol handling
Additional Safety Features
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Grounding strap prevents static buildup
•
No overheating — air expands and cools
•
Dead-heads safely without pressure buildup
•
Can be submerged in flammable liquids
Regulatory Compliance
The QBY meets basic explosion-proof requirements for most industrial environments. For ATEX or NEC classified areas, confirm with your safety officer.
Applications Summary:
flammable liquid transfer, paint mixing, fuel handling, chemical storage, ethanol transfer, hazardous area pumping
Thanks for reading from HAQUANPUMP. We supply QBY diaphragm pumps for explosive environments. Contact us for safety-certified options.
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.
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