English
Denor ZLB Axial Flow Pump — a vertical, single-stage pump built for high flow rates at low heads.
Ideal for irrigation, flood control, and large-scale water supply and drainage projects.
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Main Benefits of ZBL Axial Flow Pump
Vertical space-saving
High efficiency in high-flow and low-head applications
Smooth and reliable operation
Robust construction, high durability and reliability
Easy Installation and low maintenance costs
High efficiency performance for best total life time cost
Main Applications
Municipal engineering
Agricultural irrigation and drainage
Industrial water circulation
Flood control and drainage project
Water transfer projects
Product Description
Technical Data
Applications
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| Flow Range | 800 m³/h - 200,000 m³/h |
| Lift Range | 1 m - 30.6 m |
| Power | 18.5 KW - 7000 KW |
| Voltage | 380V, 660V, 6000V, 10000V |
| Frequency | 50Hz |
| Efficiency | 77.2% - 89.2% |
| Structure | Single stage |
| Inlet/Outlet Size | Customized |
| OEM/ODM | Accept |
Performance Parameters Table (low head and large flow)
| Model | Capacity(m³/s) | Installation angle | Head(m) | Pump efficiency (%) | Shaft power(kW) | Speed(rpm) | Impeller outer diameter(mm) |
| 1200ZLB-125 | 3.16 | -6 | 3.5 | 84.2 | 127.6 | 490 | 970 |
| 3.36 | -4 | 3.9 | 84.5 | 150.4 | |||
| 3.67 | -2 | 4.1 | 85.1 | 174.8 | |||
| 4.17 | 0 | 4.1 | 85.5 | 196 | |||
| 4.41 | 2 | 4.4 | 85.7 | 219.6 | |||
| 4.68 | 4 | 4.6 | 84.7 | 247.8 |
Material Table of Standard Configuration
| Part description | Water | Sewage | ||
| GB | ASTM | GB | ASTM | |
| Suction cone | HT250 | A4835 | QT500-7 | Gr.80-55-06 |
| Guide blade body | HT250 | A4835 | QT500-7 | Gr.80-55-06 |
| Impeller | HT250 | A4835 | ZG07Cr19Ni10 | CF8 |
| Impeller chamber | HT250 | A4835 | QT500-7 | Gr.80-55-06 |
| Outlet bending pipe | HT250 | A4835 | QT500-7 | Gr.80-55-06 |
| Shaft sleeve | 06Cr19Ni10 | 304 | 14Cr17Ni2 | 431 |
| Shaft | 40Cr | 5140 | 20Cr13 | A276-420 |
| Coupling | HT250 | A4835 | QT500-7 | Gr.80-55-06 |
| Guide bearing | Rubber bearing | / | Thordon bearing | / |
| Gland box | HT250 | A4835 | QT500-7 | Gr.80-55-06 |
| Packing seal | PTFE | / | PTFE | / |
| Thrust radial bearding | Rolling bearing | / | Rolling bearing | / |
| Motor base | Q235B | A36 | Q235B | A36 |
| Drive the base | HT250/Q235B | A4835/A36 | HT250/Q235B | A4835/A36 |
Municipal Engineering
Vertical axial pumps are the core part of municipal water supply and drainage system due to their features of large flow rate and less maintenance requirements.
Agricultural Irrigation
Ideal for lifting water from rivers, canals, or reservoirs to irrigate large farmlands, as it can handle the high flow rates required.
Flood Control and Drainage
Widely used in pumping stations to quickly move massive amounts of water from flooded areas (cities, agricultural fields) to rivers or seas.
Industrial Circulation
Commonly used in power plants, refineries, and large factories to circulate cooling water through condensers and cooling systems.
Water Transfer Projects
Essential in large-scale aqueducts or cross-basin water transfer schemes where water needs to be lifted only a short height but over massive volumes.
Shipbuilding Drainage
The vertical axial flow pumps serve as the dry dock pumps in shipbuilding plants to evacuate the large a mount of water from the dock during the manufacturing and repairing process of ships.
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