The water-cooled variable frequency magnetic levitation chiller unit has a cooling range of 45-1600 refrigeration tons (160-5625 kW), sufficient to meet the application needs of all industries today. 45-1600 refrigeration tons (160-5625 kW) Magnetic levitation compressor: R1234ze, R515B, R513A and R134a

Quiet enough to hold a normal conversation even when the unit is running at full load! 30-520 refrigeration tons (105-1830 kW) Oil-free magnetic bearing compressor: R1234ze, R515B, R513A and R134a Groundbreaking low-noise and high-efficiency operation

Screw water-cooled chillers have the following main characteristics and advantages: high cooling efficiency, good heat exchange effect, convenient installation and maintenance

Using a screw compressor, it has high volumetric efficiency and energy conversion efficiency. Its unique rotor structure and operating principle can provide a large amount of refrigeration (heat) while consuming less electricity. Compared with other types of compressors, its energy efficiency is outstanding.

Evaporative-cooled screw chillers utilize evaporative condensers, which combine the advantages of water-cooled and air-cooled systems. A water film forms on the condenser surface, absorbing heat from the refrigerant through evaporation. Simultaneously, airflow carries away the water vapor produced by the evaporating film, resulting in highly efficient heat exchange. Compared to traditional water-cooled condensers, evaporative cooling offers higher heat transfer efficiency, providing greater cooling capacity at the same energy consumption. Compared to air-cooled condensers, it offers more stable cooling performance in high-temperature environments and relatively lower energy consumption.

In low ambient temperatures, the unit can use natural cold sources for cooling, reducing or completely avoiding the operation of the compressor, thus significantly reducing energy consumption. For example, during the transition seasons and winter, when the outdoor temperature reaches certain conditions, the natural cooling system starts to work, sharing the refrigeration load, and the energy saving effect is significant. Compared with traditional air-cooled screw chillers, the natural cooling function can effectively reduce operating costs.

Employing a scroll compressor, its unique operating principle makes the gas compression process more continuous and stable, reducing energy loss. Compared to traditional reciprocating compressors, scroll compressors can improve efficiency by more than 10%, providing greater cooling capacity while consuming less electricity, thus lowering operating costs.

Equipped with high-efficiency shell and tube condensers and evaporators. The condenser can quickly transfer heat from the refrigerant to the cooling water, and the evaporator allows the refrigerant to fully evaporate and absorb heat, achieving efficient heat exchange. This structural design results in higher refrigeration efficiency for the chiller, enabling it to quickly lower the water temperature to the required level, meeting the needs of rapid cooling in industrial production.

The unit adopts a box-type structure, integrating the compressor, evaporator, condenser, water pump, water tank and other components into a single box. The layout is reasonable, space-saving, and easy to install and arrange in various industrial locations, especially suitable for workshops and laboratories with limited space.

High-efficiency refrigeration: Using a screw compressor, it has a high energy efficiency ratio and can provide a large amount of cooling capacity while consuming less electricity. Even under medium and low temperature conditions, it can maintain stable and efficient refrigeration capacity, quickly reducing water or medium temperature to meet the low-temperature cooling needs of industrial production.

High Efficiency and Energy Saving: Utilizing a screw compressor, it boasts a high energy efficiency ratio, providing a large amount of cooling capacity while consuming less electricity. It maintains stable and efficient refrigeration capacity even under medium and low temperature conditions, quickly lowering the medium temperature to meet the low-temperature cooling needs of industrial production.

Precise Temperature Control: Equipped with high-precision temperature sensors and an advanced control system, it can accurately control the temperature of the chilled water, with a small temperature fluctuation range. For some production processes with strict temperature control requirements, such as pharmaceutical production and chemical experiments, it ensures the stability of the production process and product quality.

Cooling method is simple and straightforward: air cooling is used, where a fan dissipates the heat released by the refrigerant in the condenser. This eliminates the need for an additional cooling water system, such as cooling towers, cooling water pumps, and water pipelines. This not only saves the cost and effort of installing and maintaining a cooling water system, but also avoids refrigeration interruptions caused by cooling water system failures.

Efficient Compression Process: The screw compressor in a screw chiller consists of two rotating components: a main screw and an auxiliary screw. After the refrigerant is drawn in, it is gradually compressed as the screws rotate, forming high-temperature, high-pressure gas. This compression method is continuous and smooth, and the gas is compressed relatively uniformly, allowing the unit to maintain high efficiency during operation.

Unique single-unit, two-stage structure: This chiller adopts a single-unit, two-stage compression technology, featuring two compression stages. The refrigerant undergoes intermediate cooling after the first stage of compression before entering the second stage. This structure effectively increases the refrigerant's pressure and temperature range, enabling highly efficient refrigeration in ultra-low temperature environments. Compared to single-stage compression, it offers higher cooling capacity and better performance under low-temperature conditions.

Multi-stage refrigeration cycle: Composed of two or more independent refrigeration cycles, a high-temperature stage and a low-temperature stage. The high-temperature refrigeration system uses a medium-temperature refrigerant to first transfer heat to the low-temperature system; the low-temperature refrigeration system uses a low-temperature refrigerant to further lower the temperature to an ultra-low temperature range. For example, common high-temperature refrigerants include R404A and R22, while common low-temperature refrigerants include R23 and R14.

All components are manufactured in accordance with national explosion-proof standards. For example, electrical equipment conforms to GB3836 series standards, and key components such as compressors, fans, water pumps, and electrical control boxes have special explosion-proof markings, such as ExdIIBT4 and ExdIICT4, which can prevent explosions caused by electrical sparks, high temperatures, etc., in flammable and explosive environments, ensuring the safety of personnel and equipment.

Corrosion-resistant materials are used: Key components such as evaporators, condensers, and pipelines that come into contact with refrigerants or water are made of corrosion-resistant materials such as 316 stainless steel and titanium alloys. These materials have good resistance to corrosive media such as acids, alkalis, and salts, and can operate stably for a long time in harsh chemical environments. For example, in the electroplating industry, various corrosive solutions are often present, and the use of corrosion-resistant chillers ensures the normal operation of the equipment.

Compact Structure: The main components of the refrigeration system, such as the compressor, condenser, evaporator, throttling device, water pump, water tank, and control system, are highly integrated into a single frame or chassis. This integrated design reduces the equipment's footprint, making it better suited for installation needs in large buildings, factories, or project sites with limited space.

Equipment Integration: The main equipment and components required for the refrigeration system, including chillers, pumps, water tanks, water treatment equipment, valves, pipes, and control systems, are integrated into a single container to form a complete, independent refrigeration system. This high degree of integration reduces the amount of on-site installation and commissioning work, improving the system's reliability and stability.