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The ZLB axial flow pump is a vertical, single-stage pump engineered to handle high flow rates at low heads, the liquid flows along pump shaft and is delivered at the pump outlet. It's widely used in irrigation, flood control, large-scale water supply and drainage projects, etc.
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
The ZLB vertical axial flow pump is a small and medium-sized pump manufactured by Denor. Built in our own factory, CE-certified for reliability, and delivered fast to keep your project on schedule.
The ZLB Vertical Axial Flow Pump is a type of vertical-shaft, axial-flow propeller pump designed for high-flow, low-to-medium head applications. It has a wide spectrum, good hydraulic performance and novel structure, it is characterized by high efficiency, good cavitation performance, easy installation and maintenance; and the same time, combined with the latest information control technology, the intelligent water pump system independently developed can be configured, with automatic monitoring function.
Transport media: clean water, river water, wastewater, rainwater, sewage, and other liquids with similar physical and chemical properties to water.
Product Advantages
High-efficiency energy saving:
Designed by 3-D flow theory and calculated by CFD computational simulation, with the best performance.
High reliability:
Smooth and reliable operation, low noise when running at high speed.
Advanced technology:
All parts using metal mold, precision casting, parts quality is reliable.
Low maintenance:
Reasonable structure, convenient assembly and disassembly, and simple maintenance.
Inventory management:
Reasonable inventory management, short lead time, fast delivery.
Automatic monitoring:
Equipped with intelligent water pump system independently developed, with automatic monitoring function.
The ZLB Vertical Axial Flow Pump is a highly efficient and compact solution for moving massive volumes of water against low hydraulic heads. Its vertical, submerged design makes it ideal for pumping stations, irrigation projects, and industrial cooling systems where footprint and flow capacity are primary concerns.
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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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CUSTOMIZED DISPLAY
Customized Pumping Solution For Your ProjectNot Your Average Manufacturer
We tailor solutions to your specific needs based on flow rate, head, and site conditions.
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Bespoke Design
Engineered to your project's needs.
Flexible Configuration
Choice of materials, pumps, and control system.
Product Production Cycle Management
Optimize production processes and shorten production cycles
Strong Delivery Capabilities
Complete logistics and supply chain, with delivery as fast as 15 business days.
End-to-End Service
From design to after-sales support.
