Reference image. Final construction follows the confirmed model and quotation.
Pneumatic Diaphragm Pumps
QBY Air-Operated Diaphragm Pump ( )
Model: QBY
QBY Air-Operated Diaphragm Pump ( ) is designed for chemical transfer, viscous fluids, slurries and intermittent dosing service. DFIN Pump provides model verification, material selection and technical support based on the actual duty point.
TECHNICAL DATA
Specifications, performance and construction
Confirm the final operating point, materials, motor and connection standard before ordering.
Product Overview
QBY Air-Operated Diaphragm Pump ( ) is an industrial diaphragm pump selected for chemical transfer, viscous fluids, slurries and intermittent dosing service. The final configuration should be verified against the actual liquid, duty point, temperature, installation and power supply.
Typical Applications
Chemical transfer, viscous fluids, slurries and intermittent dosing service.
Design Features
- Positive-displacement operation
- Dry-running capability subject to configuration
- Wide range of wetted materials
- Model and material selection supported by DFIN Pump engineers
Extracted Operating Data
- ：0.1-0.7MPa
- ：-15-+120℃
- ：0-30m3/h
- ：10-100mm
Values are reference data from the authorized source catalog. Confirm the selected model before ordering.
Technical Performance Data
| Model |
Flow (m3/h) |
Head (m) |
Outlet pressure (kgf/cm2) |
Suction Lift (m) |
maximum allowable Over granular Diameter (mm) |
Large air supply pressure (kbf/cm2) |
Large gas consumption (m3/min) |
Material | |||
| Aluminum alloy | Stainless Steel | cast iron | Reinforced polypropylene | ||||||||
| QBY-10 | 0～0.8 | 0～50 | 6 | 5 | 1 | 7 | 0.3 | ★ | ★ | ★ | ★ |
| QBY-15 | 0～1 | 0～50 | 6 | 5 | 1 | 7 | 0.3 | ★ | ★ | ★ | ★ |
| QBY-25 | 0～2.4 | 0～50 | 6 | 7 | 2.5 | 7 | 0.6 | ★ | ★ | ★ | ★ |
| QBY-40 | 0～8 | 0～50 | 6 | 7 | 4.5 | 7 | 0.6 | ★ | ★ | ★ | ★ |
| QBY-50 | 0～12 | 0～50 | 6 | 7 | 8 | 7 | 0.9 | ★ | ★ | ★ | ★ |
| QBY-65 | 0～16 | 0～50 | 6 | 7 | 8 | 7 | 0.9 | ★ | ★ | ★ | ★ |
| QBY-80 | 0～24 | 0～50 | 6 | 7 | 10 | 7 | 1.5 | ★ | ★ | ★ | ★ |
| QBY-100 | 0～30 | 0～50 | 6 | 7 | 10 | 7 | 1.5 | ★ | ★ | ★ | / |
Selection Information Required
Please provide medium, concentration, flow, total head or pressure, temperature, viscosity or solids, voltage, frequency and installation method. DFIN Pump will confirm the suitable model and materials.
Catalog reference: authorized YZJ product data · Model QBY
SELECTION SUPPORT
Application-based pump selection
Send the liquid, flow, head or pressure, temperature, solids, installation, power supply and destination for a verified recommendation.
Discuss this application