Model Interpretation:
LZ: Usually represents "DC" (Z stands for direct current).
S: Represents "Surface" or "Irrigation".
U: Usually represents "Ultra Flow" or "Universal".
-H: Represents High Configuration or High Performance.
Core Form: Horizontal single-stage DC brushless centrifugal pump.
Core Difference: It is a sibling of the LHF series, but with an optimized hydraulic model, resulting in higher flow rate but relatively lower head (usually within 20 meters).
Core Working Principle: Ultra-large flow channel + permanent magnet brushless motor
The working logic of the LZSU-H series is "accumulate resources, don't seek dominance":
Extra-large diameter design: To achieve a huge flow rate, its inlet and outlet are usually designed to be relatively large (such as 2 inches or 3 inches), with a spacious internal flow channel.
Low head and high flow rate: It utilizes the high-speed characteristics of the DC brushless motor, combined with a large-diameter impeller, to instantly pump out a massive amount of water. However, due to the structural limitations of the single-stage centrifugal design, it cannot generate extremely high water pressure.
MPPT intelligent control: With a dedicated controller, it can automatically adjust the power according to the light intensity. At noon when the sunlight is strong, it can unleash its maximum flow potential.
Core Features: Amazing flow rate, robust structure, wide voltage range
Feature Details
Ultra-high flow rate: A core advantage. According to the parameters, the flow rate of this series is very impressive. For example, the LZSU45/19 model has a flow rate of up to 45 cubic meters per hour (i.e., 45 tons of water per hour). This is a true "irrigation beast".
All-aluminum/stainless steel material: The pump head is usually cast from aluminum alloy or 304 stainless steel. Aluminum alloy is lightweight and corrosion-resistant, while stainless steel is more robust and durable. Compared with plastic pumps, it is more suitable for complex outdoor working conditions.
Wide voltage operation: This series usually supports a wide voltage input range, adapting to fluctuations in solar panel voltage and is less likely to be damaged by unstable voltage.
Low noise: Due to the brushless motor and usually using water cooling or air cooling, the operating noise is much lower than traditional brushed motors or diesel engines.
Typical Application Scenarios
The LZSU-H series is the preferred equipment for plain irrigation, flood control and drainage, and large-scale water channels:
Large-area farmland/orchard irrigation:
Suitable for farms with flat terrain and large water requirements. It can quickly transport water from rivers or ponds to the fields.
Drought relief and flood drainage/flood control:
During the rainy season, it can quickly drain accumulated water from low-lying areas; during the dry season, it can quickly draw water from deep water sources.
Large fish pond/shrimp pond circulation:
Used for water exchange and oxygenation circulation in large aquaculture ponds.
Industrial/construction site drainage:
Suitable for industrial scenarios or construction sites that require rapid transfer of large amounts of liquid.
Selection and Usage Recommendations
Head Limitation (Key):
Remember: The LZSU-H is a "flow-type" pump, not a "pressure-type" pump. Its head is usually low (generally not exceeding 20-25 meters).
Suitable scenarios: Suitable for flat terrain or areas with small elevation differences.
Unsuitable scenarios: Not suitable for scenarios requiring pumping water to high-rise buildings or mountains (for those scenarios, please choose the LSGJ-H or 4PSS series).
Suction Head Limitation:
As a surface pump, its vertical suction height is still limited by atmospheric pressure (approximately 8 meters). If the water source is in a very deep well, please use a submersible pump.
Anti-clogging:
Although the flow channel is large, to protect the impeller, it is recommended to install a filter screen at the inlet to prevent large debris from being sucked in.
The LZSU-H series is the "irrigation giant" among solar water pumps. If you need to "irrigate hundreds of acres of land in a short time on flat ground," or "quickly drain a large pond," its large flow rate advantage is unmatched by other models. It is the best partner for efficiency-oriented agricultural production.
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