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Refrigeratori a vite

LG series Industrial Screw Chiller

Temp range -110°C ~ -30°C; Cooling capacity 9KW~936KW

low carbon emissions, energy efficiency, low noise

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LNEYA Screw chillers characteristics

  • Semi-closed double screw compressor
  • Heat control range 25%～100%
  • High and low voltage protection, anti-icing, heat release protection (double), safety valve, etc
  • Use environmentally friendly refrigerants such as R404a, R134a, R407c
  • Fault-free operation time of over 100,000 hours.

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 LG series utilizes advanced semi-hermetic screw compressors, along with components such as heat exchangers, evaporators, and horizontal shell-and-tube heat exchangers. Additionally, safety devices and an oil recovery system are designed to ensure energy efficiency, environmental friendliness, low noise, and other performance advantages, while safeguarding safety during both the production and operation processes.

Screw water chillers provide chilled water ranging from -25°C to 30°C and can serve as a process cooling source in applications like ice storage, low-temperature air supply, and other production processes.

LG series outdoor chillers Descriptions


Due to different working scenarios and uses, the requirements for screw refrigeration units are also inconsistent.
We have designed its chilled water with an outlet temperature of 7°C and a return temperature of 12°C, with a condensation temperature of 30°C. The default refrigerant is R22; if R404a, R134a, R407c, or other types are required, please specify.
If the model we show (as shown below) does not meet your requirements, please ignore it and contact us. We will tailor it for you according to your needs

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ALL screw water chillers model

LTZ +5℃~300℃

outdoor chillers

Cooling capacity 4kW~20kW

Heating power 3.5kW~15kW

temperature accuracy ±0.3℃

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LTZ -25℃~5℃

large water chillers

Cooling capacity 0.7kW~11.5kW

Heating power 2.5kW~10kW

temperature accuracy ±0.3℃

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LTZ -45℃~-10℃

screw water chillers

Cooling capacity 23kW~155kW

Circulation Pump MAX 5m³/h~28m³/h 2bar

temperature accuracy ±0.5℃

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LTZ -60℃~-10℃

screw chiller plant

Cooling capacity 6.2kW~31.7kW

Circulation Pump MAX 2.4m³/h~12.1m³/h 2bar

temperature accuracy ±0.5℃

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LTZ -80℃~-30℃

water cooled screw chillers

Cooling capacity 3.7kW~30kW

Circulation Pump MAX 2.3m³/h~12m³/h 2bar

temperature accuracy ±0.5℃

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LTZ -110℃~-50℃

industrial water coolers

Cooling capacity 3.7kW~30kW

Circulation Pump MAX 2.3m³/h~12m³/h 2bar

temperature accuracy ±0.5℃

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Modello LG1-75W LG1-100W LG1-140W LG1-180W LG1-230W LG1-280W
Intervallo di temperatura 5℃～30℃
Capacità di raffreddamento
7℃		 kW 236 328 468 608 762 936
Kcal/hr*10³ 202.9  282.1  402.5  522.9  655.3  805.0 
Potenza 3N/400V/50HZ
Cooling input power at (7℃) 64 84  120  155  191  236
Compressore Forma semi-closed double screw compressor
Heat control range 25%～100%
Chilled water Forma Plate, dry, overflow or falling film heat exchanger
Chilled water volumeT/H 40  56  80  104  131  160 
Water pressure drop 40～80
Dimensioni del collegamento DN80 DN100 DN125 DN150
Acqua di raffreddamento Forma Horizontal tubular heat exchanger
Cooling water volumeT/H 51  71  101  131  163  201 
Water pressure drop 40～80
Dimensioni del collegamento DN80 DN100 DN150 DN200

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Modello LG2-75W LG2-100W LG2-140W LG2-180W LG2-230W LG2-280W
Intervallo di temperatura  -25℃～5℃
Capacità di raffreddamento
-20℃		 kW 80 111 158 206 259 318
Kcal/hr*10³ 68.8  95.5  135.9  177.2  222.7  273.5 
Potenza 3N/400V/50HZ
Cooling input power at (-20℃) 56 74  105  136  166  205
Compressore Forma semi-closed double screw compressor
Heat control range 25%～100%
Chilled water Forma   Plate, dry, overflow or falling film heat exchanger
Chilled water volumeT/H 24 32  46  59  75  92 
Water pressure drop 40～80
Dimensioni del collegamento DN65 DN80 DN100 DN125
Acqua di raffreddamento Forma Horizontal tubular heat exchanger
Cooling water volumeT/H 26 35 50 65 80 99
Water pressure drop 40～80
Dimensioni del collegamento DN80 DN100 DN125 DN150

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Modello LG4-75W LG4-100W LG4-140W LG4-180W LG4-230W LG4-280W
Intervallo di temperatura  -45℃～-10℃
Capacità di raffreddamento
-40℃		 kW 50 70 95 120 155 180
Kcal/hr*10³ 43 60.2  81.7  103.2  133.3  154.8 
Potenza 3N/400V/50HZ
Cooling input power at (-40℃) 35 48  65  82  106  113
Compressore Forma semi-closed double screw compressor
Heat control range 25%～100%
Chilled water Forma Plate, dry, overflow or falling film heat exchanger
Chilled water volumeT/H 23 32  44  56  72  83 
Water pressure drop 40～80
Dimensioni del collegamento DN65 DN80 DN100 DN125
Acqua di raffreddamento Forma Horizontal tubular heat exchanger
Cooling water volumeT/H 16 20  30  36  46  60 
Water pressure drop 40～80
Dimensioni del collegamento DN65 DN80 DN100 DN125

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Modello LG6-75 LG6-100W LG6-140W LG6-180W LG6-230W LG6-280W
Intervallo di temperatura  -60℃～-10℃
Capacità di raffreddamento
-55℃		 kW 66 87 121 158 202 238
Kcal/hr*10³ 56.7 74.8  104.0  135.8  173.7  204.6
Potenza 3N/400V/50HZ
Cooling input power at (-55℃) 103 135  192  249  310  375
Compressore Forma semi-closed double screw compressor
Heat control range 25%～100%
Chilled water Forma   Plate, dry, overflow or falling film heat exchanger
Chilled water volumeT/H 34 45  63  82  105  123 
Water pressure drop 40～80
Dimensioni del collegamento DN80 DN100 DN125
Acqua di raffreddamento Forma Horizontal tubular heat exchanger
Cooling water volumeT/H 26 34  48  62  79  94 
Water pressure drop 40～80
Dimensioni del collegamento DN80 DN100 DN125 DN150

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Modello LG8-75W LG8-100W LG8-140W LG8-180W LG8-230W LG8-280W
Intervallo di temperatura  -80℃～-30℃
Capacità di raffreddamento
-75℃		 kW 36 48 67 88 112 131
Kcal/hr*10³ 30.9 41.3  54.2  72.2  96.3  112..3
Potenza 3N/400V/50HZ
Cooling input power at (-75℃) 83 110  156  203  254  308
Compressore Forma semi-closed double screw compressor
Heat control range 25%～100%
Chilled water Forma Plate, dry, overflow or falling film heat exchanger
Chilled water volumeT/H 22 30  36  55  70  82 
Water pressure drop 40～80
Dimensioni del collegamento DN65 DN80 DN100
Acqua di raffreddamento Forma Horizontal tubular heat exchanger
Cooling water volumeT/H 18 23  31  43  54  65 
Water pressure drop 40～80
Dimensioni del collegamento DN65 DN80 DN100 DN125

Send your inquidy here →
Modello LG11-75W LG11-100W LG11-140W LG11-180W LG11-230W LG11-280W
Intervallo di temperatura  -110°C~ -50°C
Capacità di raffreddamento
-105℃		 kW 9 12 16 22 28 32
Kcal/hr*10³ 7.7 10.3  13.8  18.9  24.1  27.5 
Potenza 3N/400V/50HZ
Cooling input power at (-105℃) 56 75  105  135  172  210 
Compressore Forma semi-closed double screw compressor
Heat control range 25%～100%
Chilled water Forma Plate, dry, overflow or falling film heat exchanger
Chilled water volumeT/H 3 4  5  7  8  10 
Water pressure drop 40～80
Dimensioni del collegamento DN40 DN50 DN65
Acqua di raffreddamento Forma Horizontal tubular heat exchanger
Cooling water volumeT/H 8 10  14  19  24  27 
Water pressure drop 40～80
Dimensioni del collegamento DN50 DN65 DN80

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Why Choose LNEYA Screw chiller?

  • LNEYA commonly used advanced semi-enclosed screw compressor.
  • Designed and manufactured using advanced production technology, the overall failure rate is lower and the service life is longer.
  • It can be used as the process cold source required in the production process of ice cold storage, low-temperature air supply, etc.
  • Continuity test before leaving the factory to prevent various faults.

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Working Principle of industrail screw chiller

SCREW CHILLER’S APPLICATIONS

It is generally used for machine cooling and spindle cooling in the production process, temperature control of various drugs and preparation processes in the pharmaceutical field, and temperature control of chemical reactions such as chemical or laboratory crystallization and synthesis, as well as new energy vehicle testing and semiconductor .
Biotecnologia
Biotecnologia
Temperature control for experiments such as DNA synthesis, enzyme reactions, and cell culture.
Laboratorio
Laboratorio
Temperature control in experimental research involving chemistry such as Rotary Evaporators
Chimica
Chimica
Control the temperature of molten metal;Ensure the hydraulic oil temperature is stable

Why Choose LNEYA?

 

LNEYA has a large chiller production workshop equipped with CNC lathes and more advanced chiller manufacturing and processing machines.We uses reliable international brand material accessories, Siemens controllers, Taikang compressors, etc. You can expect our chillers to provide precise temperature control and the best results.

LNEYA holds over 80 patents, and its products have passed CE certification and ISO 9001:2008 international quality certification.

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Global service

Served more than 30,000 customers.
Exported to more than 20 countries.

Certification patents

Has obtained CE certification, SGS certification, ISO certification.

After-sales service

Provide comprehensive technical training.
With 24/7 solutions.

Professional team

Founded in 2010, with 15 years of industry experience.
20% of employees are technicians.

Quality control

Visual inspection.
Performance test.
Electrical safety test.

we can tailor Screw chillers solution for you.

Compared with the similar chillers, the screw type water-cooled chiller has many advantages：
The temperature of the heat conducting liquid can be adjusted to any temperature you want, and it runs smoothly….

The commonly used compressors at LNEYA are screw-type and scroll-type.
Screw-type chillers are primarily used in central air conditioning systems or large-scale industrial refrigeration. Scroll-type chillers, on the other hand, have smaller power compared to screw-type chillers and may not be suitable for heavy-duty applications.

In summary, air-cooled screw chiller advantages include lower maintenance costs, a prepackaged system for easier design and installation, and better performance in freezing temperature. Water-cooled screw chiller advantages include greater energy efficiency, larger capacities, and longer equipment life.

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WeChat/Phone

86 18914253067

WhatsApp

86 13912479193

Indirizzo e-mail

market@lneya.com