Request a quoteDiaphragm pumps · QBY
QBY Pneumatic Diaphragm Pump
An air-operated diaphragm pump series for liquid transfer where compressed air is the drive source. Confirm wetted materials and diaphragm compatibility for the actual fluid.
This photograph shows a configuration in the QBY range. The file does not identify an exact model number, so appearance and specifications must be confirmed before ordering.
Product overview
Where this pump may be used.
Transfer duties where an air-driven pump is preferred.
- Process-liquid transfer
- Transfer where air drive is preferred
- Applications requiring liquid-compatible wetted parts
Technical description
What to know before selection.
- Operating principle
Compressed air alternately moves diaphragms to draw in and discharge liquid. - Configuration
Air-operated, positive-displacement diaphragm pump. - Liquid suitability
Process liquids selected against diaphragm, valve, and wetted-part compatibility. - Typical use
Transfer duties where an air-driven pump is preferred.
Model specifications
Confirm the exact duty point.
A photo alone cannot establish a performance curve or exact SKU. Share these details to receive the matching model table, dimensions, and quotation.
- Liquid composition, viscosity and solids
- Required flow and discharge pressure
- Available compressed-air supply and material compatibility
Need an exact model?
Send us your requirements.
Tell us the photo number, required flow and head or pressure, liquid, installation conditions, and power supply. We will confirm the model and current datasheet.