
LRS-S Large Circulation pump Series
This series of industrial-grade centrifugal pumps is specifically designed for high-flow transfer applications, making them widely suitable for industrial processes, municipal engineering, HVAC systems, and other fields. Optimized for high temperatures, high pressures, corrosive media, and various harsh operating conditions, these pumps ensure stable operation in demanding environments.
1100w
18m
11.5m³/h
Advantages of Circulation Pump
Temperature tolerance range - +2°C to +110°C
Maximum ambient temperature - +40℃
Protection rating - IP44
Insulation class - F-class
Long-life design - Constructed with wear-resistant materials and robust structure to withstand high-pressure environments, ensuring extended service life.
Quiet operation - Operating noise below 38 decibels, suitable for residential use.


Product Selection


Application Fields
1. Underfloor Heating System
As the core driving force of the underfloor heating system, hot water circulates through a forced-circulation mode to deliver heat evenly and rapidly to every room indoors, eliminating any temperature dead zones. Its built-in rapid control function flexibly adjusts water flow speed based on actual user needs, effectively enhancing living comfort while maximizing energy efficiency and reducing operating costs.
2. Hot Water Circulation System
The hot water circulation system continuously preheats cold water stored within the pipes, eliminating the traditional wait for hot water. This delivers an instant-on, zero-wait comfort experience, significantly reducing user wait times while preventing cold water waste and promoting water conservation. The system can also operate flexibly with timed or temperature-controlled modes, precisely balancing user comfort with energy consumption to suit diverse household scenarios.
3. Solar System
The solar system provides stable, pressurized power to hot water pipes, specifically addressing issues like insufficient hot water flow or low water volume caused by inadequate installation height differences, excessively long pipe runs, or unstable water pressure fluctuations. Through consistent pressurized supply, it ensures all upper-level areas and distant water points within the home receive continuous, stable, and ample hot water, guaranteeing an uninterrupted household water experience.
4.Air Conditioning System
The air conditioning system efficiently circulates chilled water between the main unit and multi-room fan coil units, facilitating seamless indoor-outdoor heat exchange to deliver core cooling or heating functionality. For multi-room, large-space layouts like duplex apartments and villas, it effectively prevents temperature inconsistencies and slow cooling/heating response. This ensures uniform, stable, and highly efficient cooling/heating performance throughout the entire residence, significantly enhancing the overall living experience.




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