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LAUDA Process Cooling Systems

Cooling systems from -100 up to 150 °C

Process cooling systems are active cooling systems for the temperature control of different consumer circuits. They have a single-stage cooling circuit or two-stage cascade cooling systems and are water or air-cooled. In combination with an electrical auxiliary heater or a heat exchanger, the SUK model series offers a wide working temperature range. Depending on the application, the most varied heat transfer fluids can be used.

Application examples

  • Temperature control of stirrer tanks
  • Temperature control of reactors in chemistry, pharmaceuticals and biotechnology
  • Environmental simulation, automotive and solar technology
  • Use in materials testing, research and production
  • Temperature control of heat exchangers and evaporators


LAUDA HKS brochureDownload a PDF
of our HKS brochure:

LAUDA HKS Brochure (9.5 MB)





Module Configurator

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  The SUK advantages Your benefits
  • Digital temperature controller
  • Control of the outflow temperature or the consumer/product temperature
  • Temperature program/ramp mode
  • External setpoint adjustment via Profibus, Modbus or other interfaces
  • Preselection of heating and cooling times
  • Control accuracy ±0.1 °C

  • Cooling module for best possible configuration of compressor and performance quantity
  • Single-stage, two-stage and cascade modules available
  • Highly dynamic, energy-efficient cooling system
  • Optimized method to suit desired operating temperature range

  • Stainless steel, water or air-cooled condenser in flange version
  • Hermetic version without seals
  • Automatic shut-off valve on cooling water inlet
  • Cooling water control valve in cooling water inlet
  • Return temperature limit on cooling water

  • Easy cleaning of the heat exchanger
  • Oils and water are not mixed
  • Contamination of heat exchanger reduced
  • Efficient cooling of the coolant
  • Corrosion and calcification avoided
  • Continuously controlled stainless steel electric heater as a flange version
  • Steam for heating
  • Heating power is adapted to actual energy requirement
  • For extending temperature range upwards
  • No start-up peaks
  • Low running costs
  • Complete system test in LAUDA Test Bed before shipment; system with CE label
  • Functional testing of all components and checking of all set values
  • Pressure/leakage test with the heat transfer fluid
  • Test of control cabinet and control accuracy
  • Production of a test protocol; documentation of the tests carried out
  • FAT (Factory Acceptance Test) in presence of customer
  • Hot and cold runs with the heat carrier at maximum and minimum operating temperatures
  • Systems quickly ready for operation, short commissioning times
  • Avoidance or prevention of leakage
  • Verification of control accuracy and high-precision processes
  • Check of all performance verifications
  • Systems designed to customer requirements, initial instruction and trial run already before shipment

Series SUK Process Cooling System

Cooling systems from -100 up to 150 °C
Process cooling systems are systems with a compression cooling system, i.e. chilling is produced by means of electrical drive energy using a compression refrigeration process. Depending on the operating temperature range the cooling systems can be operated with the most varied heat transfer fluids. If heating is also needed, the high pressure with aqueous heat transfer fluids must be considered. In the high temperature range thermal oils are better suited.






Series DV Process Cooling System

Cooling systems from -110 up to 20 °C
Process cooling systems in the DV model series are systems with a compression cooling system, i.e. chilling is produced by means of electrical drive energy using a compression refrigeration process. Depending on the operating temperature range the cooling systems can be operated as direct evaporator with the most varied refrigerants and with existing external pump with varied heat transfer fluids.






Series KH Process Cooling System

Cooling systems from -100 up to 400 °C
Continually changing methods in the manufacture of the most varied products demand an ever increasing scope of temperatures. Intensely exothermic batch processes can only be controlled with highly dynamic thermostatic systems, such as the heating and cooling systems from LAUDA. The Kryoheaters fulfill the high requirements of thermostatic systems and already offer the modern heat transfer technology. The technology of Kryoheaters covers a range from -100 up to 400 °C. The field of application is currently only restricted by the physical properties of the available heat transfer fluids.

Series SUK (all systems can also be supplied with explosion protection.)

Technical features SUK 150 W/L SUK 250 W/L SUK 350 W/L SUK 400 W/L SUK 600 W/L SUK 1000 W/L
Heat transfer fluid Water/Glycol/Thermal oil/Special liquids
Working temperature min. °C -40 -50 -70 -100 -100 -100
Working temperature max. °C 150 150 150 150 150 150
Feed pump pressure capacity max. m3/h 2 6 20 30 50 80
Heater Power max. kW 9 18 50 60 120 240
Single-stage compressor  
Cooling capacity at -50 °C kW up to 1 up to 4 up to 35 up to 70 up to 90
Two-cascade  
Cooling capacity at -60 °C kW up to 3 up to 25 up to 50 up to 70
Cooling capacity at -70 °C kW up to 2 up to 10 up to 25 up to 35
Cooling capacity at -80 °C kW up to 0.5 up to 5 up to 10 up to 20
Dimensions Wx D x H min. mm 400x800x1000 500x1000x1500 800x1700x1500 1000x1500x1900 1500x2200x2000 1500x2200x2000
Dimensions Wx D x H max.* mm 500x1000x1500 600x1500x1500 1000x1500x1900 1300x1900x2000 2000x2500x2000 2000x2500x2000

* For versions with more powerful modules


Series DV (all systems can also be supplied with explosion protection.)

Technical features DV 150 W/L DV 250 W/L DV 350 W/L DV 400 W/L DV 600 W/L DV 1000 W/L
Heat transfer fluid Water/Glycol/Thermal oil/Special liquids
Working temperature min. °C -40 -50 -70 -100 -100 -100
Working temperature max. °C 20 20 20 20 20 20
Single-stage compressor  
Cooling capacity at 20 °C kW up to 10 up to 20 up to 50 up to 150 up to 300 up to 400
Cooling capacity at 0 °C kW up to 5 up to 15 up to 35 up to 120 up to 240 up to 300
Cooling capacity at -20 °C kW up to 3 up to 6 up to 18 up to 60 up to 120 up to 180
Cooling capacity at -40 °C kW up to 1 up to 2 up to 7 up to 45 up to 90 up to 120
Two-stage compressor  
Cooling capacity at -50 °C kW up to 1 up to 4 up to 35 up to 70 up to 90
Two-cascade  
Cooling capacity at -60 °C kW up to 3 up to 25 up to 50 up to 70
Cooling capacity at -70 °C kW up to 2 up to 10 up to 20 up to 35
Cooling capacity at -80 °C kW up to 0.5 up to 5 up to 10 up to 20
Wx D x H min. mm 400x800x1000 500x1000x1500 800x1700x1500 1000x1500x1900 1500x2200x2000 1500x2200x2000
Dimensions Wx D x H max.* mm 500x1000x1500 600x1500x1500 1000x1500x1900 1300x1900x2000 2000x2500x2000 2000x2500x2000

* For versions with more powerful modules


Series KH (all systems can also be supplied with explosion protection.)

Technical features KH 150 W/L KH 250 W/L KH 350 W/L KH 400 W/L KH 600 W/L KH 1000 W/L
Heat transfer fluid Thermal oil/Special fluids
Working temperature min. °C -40 -50 -70 -100 -100 -100
Working temperature max. °C 250 250 250 250 250 400
Feed pump pressure capacity max. m3/h 2 6 20 30 50 80
Heater Power max. kW 9 18 50 60 120 240
Single-stage compressor  
Cooling capacity at 20 °C kW up to 10 up to 20 up to 50 up to 150 up to 300 up to 400
Cooling capacity at 0 °C kW up to 5 up to 15 up to 35 up to 120 up to 240 up to 300
Cooling capacity at -20 °C kW up to 3 up to 6 up to 18 up to 60 up to 120 up to 180
Cooling capacity at -40 °C kW up to 1 up to 2 up to 7 up to 45 up to 90 up to 120
Two-stage compressor  
Cooling capacity at -50 °C kW up to 1 up to 4 up to 35 up to 70 up to 90
Two-cascade  
Cooling capacity at -60 °C kW up to 3 up to 25 up to 50 up to 70
Cooling capacity at -70 °C kW up to 2 up to 10 up to 20 up to 35
Cooling capacity at -80 °C kW up to 0.5 up to 5 up to 10 up to 20
Wx D x H min. mm 500x1000x1500 600x1500x1500 800x1700x1500 1000x1500x1900 1500x2200x2000 1500x2200x2000
Dimensions Wx D x H max.* mm 600x1500x1500 800x1700x1500 1000x1500x1900 1300x1900x2000 2000x2500x2000 2000x2500x2000

* For versions with more powerful modules