Screw Chiller

Low Temperature Glycol Chiller

A low temperature glycol chiller is a type of refrigeration system that is designed to maintain a low temperature range using glycol as the refrigerant. Glycol chillers are often used in industrial and commercial settings for processes that require precise temperature control, such as in the food and beverage industry or for medical and pharmaceutical applications.


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A low temperature glycol chiller is a type of refrigeration system that is designed to maintain a low temperature range using glycol as the refrigerant. Glycol chillers are often used in industrial and commercial settings for processes that require precise temperature control, such as in the food and beverage industry or for medical and pharmaceutical applications.

The basic operating principle of a low temperature glycol chiller is to circulate a mixture of water and glycol through a closed loop system that includes a compressor, evaporator, and condenser. The compressor pumps the refrigerant through the system, which causes the glycol to evaporate and absorb heat from the process or environment that needs to be cooled. The glycol is then condensed back into a liquid state by the condenser and pumped back into the evaporator to continue the cycle.

One of the advantages of using glycol as a refrigerant is that it has a low freezing point, which allows for lower temperature ranges than traditional refrigerants. This makes glycol chillers suitable for applications that require temperatures as low as -40°C. Additionally, glycol is non-toxic, non-flammable, and non-corrosive, making it a safe and reliable choice for industrial and commercial refrigeration.

Needless to say, low temperature glycol chillers are a versatile and efficient refrigeration solution for a variety of industrial and commercial applications that require precise and consistent low temperature control.


Temperature range: Low temperature glycol chillers typically have a temperature range of -40°C to 5°C, allowing for precise temperature control in a wide range of applications.

Cooling capacity: The cooling capacity of a low temperature glycol chiller may range from a few kilowatts to several hundred kilowatts, depending on the application requirements.

Energy efficiency: Many low temperature glycol chillers are designed with energy-saving features such as variable speed compressors, electronic expansion valves, and high-efficiency heat exchangers to minimize energy consumption and operating costs.

Robust construction: The chiller should be constructed with high-quality materials and components to ensure durability and reliability in harsh industrial environments.

Control system: The chiller should be equipped with a user-friendly control system that allows for easy monitoring and adjustment of temperature, pressure, and other parameters.

Safety features: The chiller should include safety features such as high and low pressure switches, over-current protection, and refrigerant leak detection to ensure safe and reliable operation.

Compact design: Low temperature glycol chillers may be designed with a compact footprint to save space in the facility.

Quiet operation: Some models may be designed with low-noise compressors and fans to minimize noise pollution in the workplace.

Easy maintenance: The chiller should be designed for easy maintenance and serviceability, with readily accessible components and a user-friendly maintenance schedule.


ModelQLK120SLFDQLK140SLFDQLK190SLFDQLK210SLFDQLK220SLFDQLK240SLFDQLK290SLFDQLK320SLFDQLK340SLFD
Cooling   capacity116.3KW134.5KW190.7KW201.4KW220.5KW238.8KW288.8KW317.2KW338.6KW
33RT)38RT)(54RT)(57RT)(63RT)(68RT)(82RT)(90RT)(96RT)
Input   Power53.3KW61.7KW87KW91.8KW99.5KW107.1KW127.3KW141.3KW150.1KW
COP2.182.182.192.192.222.232.272.242.26


ModelQLK380SLFDQLK440SLFDQLK480SLFDQLK580SLFDQLK640SLFDQLK680SLFDQLK760SLFDQLK840SLFDQLK960SLFD
Cooling   capacity381.7KW441KW477.6KW577.6KW634.4KW677.2KW763.4KW834.6KW952.8KW
(108.5RT)(125RT)(135.8RT)(164RT)(180RT)(192.5RT)(217RT)(237RT)(270.9RT)
Input   Power169KW199KW214KW255KW283KW300KW337KW372KW414KW
COP2.682.222.232.272.242.262.282.242.3
Remarks:   1. Evaporator: inlet water temperature at -15 ℃, outlet water temperature   20℃;

2.   Condenser: inlet water temperature at 30℃, outlet water temperature at 35℃;

3.   The above parameters are subject to change without notice, please refer to the actual chillers.
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