QBY Series Diaphragm Pump
The Pneumatic diaphragm pump is using Polypropylene, which is integrally formed, with perfect sealing performance. And the pump also has the best abrasive resistance in air valve design.
FAQ (Click here)
Q：How do I select the correct model?
A：Please provide key parameters including flow rate, head, medium type, application, and voltage. Our engineering team will evaluate your working conditions and recommend the most suitable model.
Q：Do you support bulk customization?
A：Yes. We provide OEM & ODM services. For bulk orders, please contact us for wholesale pricing and customized solutions.
Q：Are your prices competitive?
A：As a direct manufacturer, we offer factory-direct prices with stable quality, no middleman markup.
Q：What are your shipping times?
A：Standard models: normally shipped within 3 working days.Customized models: generally 7–10 working days.
Q：How is quality ensured?
A：All products are 100% tested before delivery. Our quality system complies with ISO 9001, CE, and other international certifications.
Q：What warranty do you provide?
A：We offer a 1-year warranty against manufacturing defects. Free repair or replacement is provided for quality-related issues, excluding wearing parts such as seals and bearings.
Our Promise
- Reliable quality with strict testing standards and durable performance.
- Factory-direct pricing with flexible customization options.
- 17+ years of experience, global customers in 100+ countries, and responsive one-stop service.
描述
QBY Pneumatic Diaphragm Pump
Reliable solution for corrosive, high-viscosity and particle-containing fluids in industrial applications.
✔ Self-priming ✔ Explosion-proof ✔ No electricity required ✔ Zero leakage
Why This Pump?
Traditional pumps often fail when handling corrosive or high-viscosity liquids.
QBY diaphragm pump solves this with air-driven operation and no rotating parts — making it safer and more durable.
Key Advantages
✔ Handles corrosive / flammable / toxic fluids
✔ Runs dry without damage
✔ Explosion-proof (no electricity needed)
✔ Self-priming & submersible use
✔ Low pulsation, stable flow
✔ Automatic overload protection
Technical Data
| Flow Rate | 0–65 m³/h |
|---|---|
| Head | 0–84 m |
| Diameter | 1/4’’–3’’ |
| Material | Cast Iron / Aluminum / Stainless Steel / Plastic / Rubber |
Applications
Chemical industry, petrochemical, pharmaceuticals, metallurgy, food processing, wastewater treatment, mining and more.
Need a Custom Pump Solution?
Tell us your medium, flow rate and working conditions — we will recommend the right model.
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