QZ Series Submersible Axial Flow Pump | High Flow Sewage Pump China Manufacturer
Product Description
The QZ Series Submersible Axial Flow Pump is a vertical single-stage pump designed for high flow and low head applications. It adopts an advanced hydraulic model, semi-open impeller, and submersible motor structure, providing reliable performance with excellent efficiency and low noise operation.
Typical specifications:
- Flow range: 225 – 28,400 m³/h
- Head range: 1.2 – 30 m
- Power: 22 – 1,900 kW
- Discharge diameter: 350 – 1,400 mm
- Mounting: Vertical submersible type
- Certification: ISO 9001
The QZ axial-flow submersible pump is widely applied in municipal sewage systems, irrigation, flood control, and industrial water transfer projects. With a compact design and submerged installation, it requires minimal space while ensuring stable and efficient water conveyance.
Applications
The QZ Series Submersible Axial Flow Pump is suitable for large-scale water movement and industrial use cases requiring continuous and efficient flow:
- Municipal sewage and drainage systems
- Flood control and stormwater discharge
- Irrigation and agricultural drainage
- Industrial water circulation and cooling systems
- Water transfer in treatment plants
- Flood diversion channels and pumping stations
- Cooling water systems for power plants or steel mills
This pump is ideal for environments where large volumes of water need to be transferred over short lifting heights efficiently.
Technical Data
| Parameter | Specification | Description |
|---|---|---|
| Model | QZ Series | Submersible axial flow type |
| Pump Type | Vertical, single-stage | For high-flow applications |
| Impeller Type | Semi-open impeller | Allows solids and fibers to pass |
| Flow Range | 225 – 28,400 m³/h | High-capacity discharge |
| Head Range | 1.2 – 30 m | Low head, large flow operation |
| Power | 22 – 1,900 kW | Varies with model and duty point |
| Discharge Diameter | 350 – 1,400 mm | Multiple size options |
| Installation Method | Submersible vertical | Compact and easy to install |
| Working Pressure | Low pressure | Suitable for drainage and irrigation |
| Suction Type | Single suction | Simple and efficient design |
| Material Options | Cast iron / Stainless steel / Customized | Depending on liquid characteristics |
| Certification | ISO 9001 | Quality management system certified |
| Package | Export-standard wooden case | Safe for sea or land shipment |
Features & Benefits
- High Efficiency & Energy Saving – Optimized hydraulic design ensures high efficiency, reducing energy consumption and operating costs.
- Low Noise & Smooth Operation – The submerged vertical structure minimizes vibration and noise, providing stable performance.
- Strong Solids Handling Capability – Semi-open impeller design allows passage of solids and fibrous materials without clogging.
- Compact Submersible Design – The pump is installed vertically underwater, saving space and simplifying station layout.
- Corrosion & Wear Resistance – Optional materials like stainless steel or duplex alloy enhance durability in harsh or corrosive media.
- Easy Installation & Maintenance – Modular structure allows fast assembly, disassembly, and convenient maintenance.
- Customizable Solutions – Flow, head, power, and materials can be tailored according to project requirements.
- Reliable and Cost-Effective – Designed for long service life, stable operation, and excellent performance-to-cost ratio.
Frequently Asked Questions
Q1: What type of liquid can the QZ Series pump handle?
It is suitable for clean water, sewage, stormwater, river water, and industrial effluent containing small solids or fibers.
Q2: Can the pump be customized for specific projects?
Yes. Flow, head, motor power, and material options can all be customized based on your working conditions and installation environment.
Q3: What are the advantages of submersible axial flow pumps compared with traditional dry-installed pumps?
Submersible pumps save space, reduce noise, eliminate long shafts and couplings, and minimize installation and maintenance work.
Q4: What certifications do you provide?
Our pumps are manufactured under ISO 9001 certification. Other certifications (such as CE or UL) can be provided upon request.
Q5: How long is the warranty period?
Standard warranty is 12 months from delivery or within a specified number of operating hours, whichever comes first.
Q6: How do I select the right model?
Please provide details such as flow rate (m³/h), total head (m), liquid characteristics, installation method, and power supply (voltage/frequency). Our engineers will recommend the most suitable model.
Q7: What is the delivery time?
Normally 6–8 weeks for standard models. Customized products may require additional lead time.
Q8: Do you provide spare parts and after-sales service?
Yes. We supply spare parts such as bearings, seals, and impellers, and offer technical support for installation and maintenance.