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Ai -20°C to 99°C 7L Capacity Compact Recirculating Chiller

Ai C20 series recirculating chillers are the true thermostatic control laboratory chiller, this closed laboratory chiller is ideal for applications such as cooling rotary evaporators, analytical instrumentation, laser etching, ICP, vacuum systems, plasma etching and jacketed reactors. This system can also be used as a replacement to tap water cooling in laboratory applications.

Ai C20 are compressor-based recirculating chillers that offer outstanding performance and high reliability as well as quiet operation and ease-of-use. Powerful force/suction pump provides constant flow rates, while 2nd generation controller gives you the ideal solution when you need precise temperature control or cooling below ambient temperature.


C20 recirculating chiller features

  • Powerful 535 watts cooling capacity at -20°C
  • Powerful 1000 watts heater
  • Adjustable pumping speed up to 20 liters per minute
  • 2nd generation 7″ TFT touch screen controller
  • No dry ice or liquid nitrogen needed
  • ANSI standard all stainless steel reservoir
  • All steel construction for durability
  • Small footprint saves valuable lab space
  • Cost saving as the water consumption is completely eliminated
  • Plug and play, no assembly required



 Model C20-7
 Electrical requirements 110V 60Hz 1-Phase 1500 watts
 Temperature range -20°C to 99°C
 Compressor Make: SECOP (formerly known as Danfoss), Germany
Power: 115V 60Hz 1-PHASE
Number of compressor: one
Refrigerant: R404A (190g)
 Cooling capacity 1077 watts @ 0°C
535 watts @ -20°C
 Heating capacity 1100 watts
 Recirculating pump Pumping speed: 20 liters per minute, adjustable
Maximum head: 16 feet or 5 meters
 Reservoir Dimensions: 8 x 10 x 5.5″ (WxDxH)
Material: Type 304 stainless steel, polished
Capacity: 7.3 liters or 1.9 gallons
Chilling fluid connection: 3/8″ hose barb x 2
Chilling fluid drain port: 3/8″ hose barb with on/off valve
 Temperature controller Type: Digital microprocessor PID controlled
Display: 7″ TFT touch screen
Display unit: Degree Celsius °C
Temperature step: 0.1°C
Temperature accuracy: +/- 2°C
Temperature range: Ambient to -20°C (-4°F)
 Recommended coolant For 50°F/10°C or higher:
Distilled water
Between 50°F/10°C and -4°F/-20°C:
50% ethylene glycol + 50% distilled water
 Working environment -15°C/5°F to 25°C/77°F, at <66% humidity
 Built-in swivel casters No
 Unit/shipping dimensions 12 x 15.5 x 26″ / 15 x 20 x 30″ (WxDxH)
 Unit/shipping weight 68 Lbs / 100 Lbs
 Safety Compressor over-temp protection
Compressor power surge delay protection
Short circuit and ground protection
Over-current protection
Over-temperature protection
Upper/lower temperature alarm protection
 Recommended for Ai 2L, 5L or 10L short path distillation systems
Ai 2L SolventVap rotary evaporators


All vacuum purge equipment is intended for lawful purposes only.