Hesaide Pneumatic Diaphragm Pump
Hesaide pneumatic diaphragm pump is a kind of new type conveying machinery. It adopts compressed air as power source. It is applicable to corrosive liquid, liquid with particles and liquid which is highly vicious, volatile, flammable and hypertoxic. This pump is widely used in chemical industry, pharmacy, brewing, papermaking, food and other industries.
Core parameters
Suction Length: 5-7 m
Flow Rate: 0.8-30 m³/h
Pneumatic Diaphragm Pump
Hesaide QBY Series Pneumatic Diaphragm Pump
Technical Specifications
| Model | Flow Rate (m³/h) | Max Head (m) | Air Consumption (Nm³/min) | Inlet Diameter (mm) | Max Suction Lift (m) | Max Particle Size (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| QBY-10 | 0.8 | 50 | 0.3 | 25 (1") | 0.3 | 1.0 | 18 |
| QBY-15 | 1.0 | 50 | 0.3 | 25 (1") | 0.3 | 1.0 | 20 |
| QBY-20 | 1.5 | 50 | 0.4 | 40 (1.5") | 0.5 | 1.5 | 25 |
| QBY-25 | 2.4 | 50 | 0.5 | 50 (2") | 0.6 | 2.0 | 32 |
| QBY-32 | 5.0 | 50 | 0.6 | 65 (2.5") | 0.7 | 2.5 | 45 |
| QBY-40 | 8.0 | 50 | 0.7 | 80 (3") | 0.8 | 3.0 | 58 |
| QBY-50 | 12.0 | 50 | 0.8 | 100 (4") | 1.5 | 4.0 | 85 |
| QBY-65 | 16.0 | 50 | 0.9 | 125 (5") | 1.8 | 5.0 | 110 |
| QBY-80 | 24.0 | 50 | 1.0 | 150 (6") | 2.2 | 6.0 | 135 |
| QBY-100 | 30.0 | 50 | 1.2 | 200 (8") | 2.7 | 8.0 | 180 |
Key Features:
Air-operated design: Safe for explosive environments (no electricity required)
Self-priming: Dry-run capability up to 5 minutes
Diaphragm materials: Santoprene® (standard), PTFE (for aggressive chemicals)
Wetted parts: Aluminum/Stainless Steel 304/316 (optional)
Max fluid temperature: 90°C (with PTFE diaphragms)
Pressure range: 0.1-0.8 MPa (adjustable)
Performance Advantages:
Handles viscosities up to 15,000 cP
100% leak-proof design (sealless construction)
Can run dry without damage
Reversible flow direction by switching air supply
No lubrication requirements
Typical Applications:
Chemical processing: Acids, solvents, corrosive fluids
Paint & coatings: High-viscosity materials
Wastewater treatment: Sludge transfer
Food processing: Chocolate, syrups, dairy products
Pharmaceutical: Sterile fluid transfer
Optional Accessories:
Air pressure regulators with gauges
Pulsation dampeners
Explosion-proof air valves (ATEX certified)
PTFE-lined models for ultra-pure applications
Maintenance Note:
Diaphragm life expectancy:
5,000+ hours for standard applications
2,000-3,000 hours for abrasive slurries
(Regular inspection recommended every 500 operating hours)
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Email: andy@hbsdfilterpress.com
Add.: No.38, Kechuang Fifth Street, Economic and Technological Development Zone, Beijing
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