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LAUDA-Ultracool Process Circulation Chiller

Process circulation chillers for industrial applications

LAUDA Ultracool chillers provide reliable temperature control and ensure secure processing. The models are plug & operate systems equipped with a cold water tank, a centrifugal pump and an internal bypass. All chillers are already equiped with an antifreeze protection thermostat to prevent freezing of the heat exchanger. Integrated pressure switches protect the circuit against pressure levels that drift too high or too low. Housings made from galvanized steel and externally coated with epoxy resin protects against corrosion even under aggressive ambient conditions. All models are suitable for outdoor installation.

Technical Specifications

Working temperature -5...25°C
Volume of water reservoir 19...200 L
Temperature stability up to 265 kW
Cooling output 0.25...1.2 kW
Pump pressure max. 3.40...4.70 bar
Pump flow max. 42...230 L/min
Available models
LAUDA Ultracool UC Mini - up to 4.9 kW
Technical Specifications
Working temperature range
-5...25°C
Temperature stability
2 ±K
Volume of water reservoir
19 L
Cooling output at 20°C
up to 4.9 kW
Pump pressure max.
3.40 bar
Pump flow max.
42 L/min

The three UC Mini chillers are available with cooling outputs from 2.1 up to 4.9 kW. The models work with a hermetic compressor and a centrifugal pump. The pump is noise reduced and works with a very flat flow rate/pressure characteristic. This allows the user to easily adjust the water flow without jeopardizing the pressure.

Compared to the previous models the device dimensions were significantly reduced. Due to the optimized geometry of the devices an easy access to the components that need to be serviced regularly is provided. The temperature range in which the coolers can be used now covers an extended temperature from 0 up to 50°C ambient. Additionally outdoor installation of these circulation chillers is available as an option and allows the use at ambient temperatures down to -15°C.  

LAUDA Ultracool UC Mini - up to 26.3 kW
Technical Specifications
Working temperature range
-5...25°C
Temperature stability
2 ±K
Volume of water reservoir
100 L
Cooling output at 20°C
up to 26.3 kW
Pump pressure max.
4.20 bar
Pump flow max.
130 L/min

The three UC Mini chillers are available with cooling outputs from 2.1 up to 4.9 kW. The models work with a hermetic compressor and a centrifugal pump. The pump is noise reduced and works with a very flat flow rate/pressure characteristic. This allows the user to easily adjust the water flow without jeopardizing the pressure.

Compared to the previous models the device dimensions were significantly reduced. Due to the optimized geometry of the devices an easy access to the components that need to be serviced regularly is provided. The temperature range in which the coolers can be used now covers an extended temperature from 0 up to 50°C ambient. Additionally outdoor installation of these circulation chillers is available as an option and allows the use at ambient temperatures down to -15°C.

LAUDA Ultracool UC Maxi - up to 265 kW
Technical Specifications
Working temperature range
-5...25°C
Temperature stability
2 ±K
Volume of water reservoir
200 L
Cooling output at 20°C
up to 265 kW
Pump pressure max.
4.20 bar
Pump flow max.
230 L/min

The three UC Mini chillers are available with cooling outputs from 2.1 up to 4.9 kW. The models work with a hermetic compressor and a centrifugal pump. The pump is noise reduced and works with a very flat flow rate/pressure characteristic. This allows the user to easily adjust the water flow without jeopardizing the pressure.

Compared to the previous models the device dimensions were significantly reduced. Due to the optimized geometry of the devices an easy access to the components that need to be serviced regularly is provided. The temperature range in which the coolers can be used now covers an extended temperature from 0 up to 50°C ambient. Additionally outdoor installation of these circulation chillers is available as an option and allows the use at ambient temperatures down to -15°C.

  • Use of plate heat exchangers outside of water tank improves heat exchange efficiency and minimizes energy lost  

  • Centrifugal high-quality water pump with internal bypass allows flow rates from 0 to 100 percent  

  • Integrated water filter and antibacterial additive provides protection of application and chiller system  

  • Housing made from galvanized steel and externally coated with epoxy resin gives protection against corrosion even under aggressive ambient conditions  

  • Protection class IP54 suitable for outdoor installation  

  • Suitable for temperatures up to 50°C allows operation under extreme ambient temperature conditions  

  • Compact and smart design results in user friendly installation and maintenance and reduction of footprint to save installation space  

  • Large cold water tank keeps water temperature constant even under varying load conditions  

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LAUDA DR. R. WOBSER GMBH & CO. KGWith about 420 employees and more than EURO 60 million in annual turnover and eleven foreign subsidiaries, LAUDA is the global leader in the manufacture of innovative constant temperature equipment and systems for science, application technology and production, as well as for high-quality measuring devices.
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