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Ai -30°C 40L Recirculating Chiller with 30L/Min Centrifugal Pump

Ai C30-40 series recirculating chillers are the true thermostatic control laboratory chiller, these closed laboratory chillers are 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 C30-40 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 microprocessor PID controller gives you the ideal solution when you need precise temperature control or cooling below ambient temperature.


C30-40 circulating chiller features

  • No dry ice or liquid nitrogen needed
  • Advanced PID digital temp controller
  • Built-in chilling fluid filter protects the recirculating pump and prevent blockage
  • All steel construction for durability
  • Cost saving as the water consumption is completely eliminated
  • Built-in casters for mobility
  • Plug and play, no assembly required


 Model C30-40-50L
 Electrical requirements 220V 60Hz 1-PH 18A, 3960 watts
 CompressorMake: KK
Power: 208-230V 60Hz 1-Phase
Number of compressor: One
Refrigerant: R404A (3.2 kgs)
 Cooling capacity (assuming
working environment is
25°C or 77°F)
 @ 32°F/0°C:       5000W
@ 14°F/-10°C:    3000W
@ -4°F/-20°C:    1800W
@ -13°F/-25°C:   1000W
 Reservoir Capacity: 40 liters or 10.6 gallons
Dimensions: 17.5 x 17.5 x 9.5 inches
Material: Type 304 stainless steel
Chilling fluid connection: 3/4″ NPT
Drain port: 1/2″ NPT
Overflow port: 3/8″ hose barb
 Recirculating pump Pump type: Centrifugal
Model: 25PLBR30-10
Pumping speed: 8 gallon/min or 30L/min
Power: 280W
Pressure: 1 bar
 Radiator Fan motor
Make: Boyoung
Model: YWF4E-400
Power: 220V 60Hz 1.3A 300W
Rotation speed: 1550 rpm
Flow rate: 4240 m3/hour
Clean radiator fins with a fin comb every three months
 Coolant outlet pressure Displayed on the built-in mechanical pressure gauge
 Temperature controller Temperature range: -30°C to ambient-5°C
Accuracy: +/- 2°C
Type: Digital microprocessor PID controlled
Range: -30°C (-22°F) to Ambient
Display unit: Celsius °C
 Tempeature sensor type Pt100
 Housing Powder coated type 42 stainless steel
 Recommended coolant For 50°F/10°C or higher: distilled water.
Between 50°F/10°C and -22°F/-30°C: 50% ethylene glycol + 50% distilled water
 Built-in swivel casters Four
 Safety Compressor over-heat protection
Short circuit and ground protection
Over-current protection
Over-voltage protection
 Unit/shipping weight 365 lbs / 480 lbs
 Unit/shipping dimensions 40 x 25 x 41 inches / 46 x 30 x 51 inches (DxWxH)
 Recommended for Ai SolventVap 50L rotary evaporators and 20L jacketed reactors