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TOBEL industrial oil chillers are high-performance closed-loop cooling systems designed for industrial hydraulic systems, hydraulic power units (HPUs) and lubrication circuits. Built for heavy-load and 24/7 continuous operation, the units effectively eliminate heat accumulation, stabilise oil viscosity, prevent thermal degradation, and maintain consistent hydraulic system performance. Different from traditional air-cooled radiators, TOBEL refrigeration-type oil chillers deliver reliable and precise cooling regardless of fluctuating ambient temperatures, ensuring stable long-term equipment operation and reducing production downtime.

Applications Description

Widely adopted in heavy-duty industrial sectors requiring stable hydraulic temperature control, TOBEL oil chillers serve core industries including metal forming, precision machining, mining, scrap recycling and automotive manufacturing. Applicable machinery covers hydraulic presses, forging presses, CNC machine tools, crushers, metal shears, balers and various continuous-running hydraulic equipment.

  • Metal Forming & Forging: Stabilises hydraulic oil temperature under high-pressure forming conditions, protects pumps, valves and cylinders, and ensures stable forging and stamping precision.
  • Precision CNC Machining: Controls heat generation of spindles and hydraulic circuits, reduces thermal deformation, and improves machining accuracy and consistency.
  • Mining & Crushing: Optimises lubricating oil temperature under heavy torque and harsh working conditions, maintains stable oil viscosity, and protects key mining equipment components.
  • Scrap Metal Recycling: Effectively dissipates continuous hydraulic heat of shears and balers in high-intensity recycling scenarios, improving equipment stability.
  • Automotive Parts Forming: Supports high-volume continuous production, stabilises hydraulic system output, and guarantees uniform product quality.

Product Features

  • Precise Oil Temperature Control: Intelligent PID temperature control ensures accurate and stable oil temperature, avoiding viscosity fluctuation, oil oxidation and lubrication failure caused by temperature deviation.
  • High-efficiency & Fast Cooling: Equipped with high-grade compressors and high-efficiency heat exchangers for rapid heat removal, achieving lower oil temperature than ambient temperature for optimal cooling results.
  • Wide Cooling Capacity Coverage: Cooling capacity ranges from 1,500 to 320,000 kcal/h, fully covering small hydraulic units and large-scale heavy-duty production lines with customised solutions available.
  • Ambient-temperature Independent Performance: Maintains stable cooling output in high-temperature and fluctuating factory environments, avoiding efficiency attenuation of traditional cooling devices.
  • Energy-saving & Cost-effective: Optimised refrigeration and oil circuit design reduces power consumption. It slows oil deterioration, reduces component wear, and lowers long-term maintenance and operating costs.
  • Complete Safety Protection: Built-in multi-protection against over-temperature, overload, high/low pressure and abnormal operation, supporting safe unattended operation and fault alarm reminder.
  • Heavy-duty Industrial Structure: Rugged and corrosion-resistant integrated structure with isolated oil and refrigerant circuits, anti-leakage and anti-interference, adaptable to dusty and high-vibration industrial workshops.
  • Easy Installation & Maintenance: Plug-and-play design with simple piping and wiring. Modular structure facilitates daily inspection and cleaning, minimising production maintenance downtime.
  • 24/7 Continuous Duty: Designed for all-weather uninterrupted industrial operation, perfectly adapting to high-intensity and long-cycle production requirements.
MODEL ACO80PA ACO100PA ACO120PA ACO150PA ACO180PA
Power supply 3PH/AC380V±10%/50Hz (customized)
Conditions of use ambient temp. Below 43°C, well ventilated, no corrosive gas and no strong vibration source
temp. range 15~60 °C
available liquids Hydraulic oil, lubricating oil
oil viscosity 20~100  (if the viscosity value exceeds 100, special customization is required)
Cooling capacity kcal/h 8000  (measured at 35°C ambient temperature ) 10000  (measured at 35°C ambient temperature ) 12000  (measured at 35°C ambient temperature ) 15000  (measured at 35°C ambient temperature ) 18000  (measured at 35°C ambient temperature )
kW 9 12 14 17 21
Compressor type Fully enclosed scroll compressor
power 2.58 kW 3.58 kW 4.4 kW 5.2 kW 5.8 kW
quantity 1 set
Cooling fan type External rotor axial flow fan
power 0.25 kW 0.45 kW 0.45 kW 0.8 kW 0.85 kW
quantity 1 set
Evaporator type Brazed stainless steel heat exchanger
Settable temperature control 28~45℃
Temperature precision ±1℃
Pump power 1.1 kW 1.1 kW 1.5 kW 1.5 kW 2.2 kW
flow 40 L/Min 50 L/Min 63 L/Min 63 L/Min 80 L/Min
Connection size G 11/4″×G 1 ″ G 11/4″×G 11/4 ″ G 11/4″×G 11/4 ″ G 11/4″×G 11/4 ″ G 11/2″×G 11/2 ″
Refrigerant R407c
Rated power 4 kW 5.6 kW 6.5 kW 7.8 kW 9 kW
Dimension(mm) width 630 700 700 700 750
length 670 750 750 750 820
height 1190 1350 1350 1440 1440
Protective device high&low voltage protection/ overload protection/ short circuit protection/ power supply phase loss & reverse phase protection/ abnormal alarm
MODEL ACO200PA ACO240PA ACO300PA ACO350PA ACO400PA
Power supply 3PH/AC380V±10%/50Hz (customized)
Conditions of use ambient temp. Below 43°C, well ventilated, no corrosive gas and no strong vibration source
temp. range 15~60 °C
available liquids Hydraulic oil, lubricating oil
oil viscosity 20~100  (if the viscosity value exceeds 100, special customization is required)
Cooling capacity kcal/h 20000  (measured at 35°C ambient temperature ) 24000  (measured at 35°C ambient temperature ) 30000  (measured at 35°C ambient temperature ) 35000  (measured at 35°C ambient temperature ) 40000  (measured at 35°C ambient temperature )
kW 23 28 34 41 46
Compressor type Fully enclosed scroll compressor
power 7 kW 8 kW 10 kW 5.8*2 kW 14.2 kW
quantity 1 set
Cooling fan type External rotor axial flow fan
power 0.85 kW 0.55 + 0.45 kW 0.8 kW 0.85*2 kW 0.85*2 kW
quantity 1 set 2 set
Evaporator type Brazed stainless steel heat exchanger
Settable temperature control 28~45℃
Temperature precision ±1℃
Pump power 2.2 kW 2.2 kW 3 kW 4 kW 5.5 kW
flow 100 L/Min 100 L/Min 125 L/Min 160L/Min 200L/Min
Connection size G 2″×G 2″ DN65×DN65
Refrigerant R407c
Rated power 11 kW 11.5 kW 15 kW 17.5 kW 21.5 kW
Dimension(mm) width 800 800 800 840 880
length 950 1250 1350 1450 1550
height 1500 1505 1505 1590 1680
Protective device high&low voltage protection/ overload protection/ short circuit protection/ power supply phase loss & reverse phase protection/ abnormal alarm
MODEL ACO500PA ACO600PA ACO800PA ACO900PA ACO1000PA
Power supply 3PH/AC380V±10%/50Hz (customized)
Conditions of use ambient temp. Below 43°C, well ventilated, no corrosive gas and no strong vibration source
temp. range 15~60 °C
available liquids Hydraulic oil, lubricating oil
oil viscosity 20~100  (if the viscosity value exceeds 100, special customization is required)
Cooling capacity kcal/h 50000  (measured at 35°C ambient temperature ) 60000  (measured at 35°C ambient temperature ) 80000  (measured at 35°C ambient temperature ) 90000  (measured at 35°C ambient temperature ) 100000  (measured at 35°C ambient temperature )
kW 58 69 93 105 116
Compressor type Fully enclosed scroll compressor
power 9*2 kW 10.3*2 kW 14.2*2 kW 5.3*6 kW 16.9*2 kW
quantity 2 set 6 set 2 set
Cooling fan type External rotor axial flow fan
power 0.95*2 kW 1.1*2 kW 1.5*2 kW 2*2 kW 2.2*2 kW
quantity 2 set 2 set 2 set 2 set 2 set
Evaporator type Brazed stainless steel heat exchanger
Settable temperature control 28~45℃
Temperature precision ±1℃
Pump power 7.5 kW 7.5 kW 7.5 kW 11 kW 11 kW
flow 200L/Min 250L/Min 350L/Min 400L/Min 500L/Min
Connection size DN80×DN80 DN100×DN100 DN125×DN125
Refrigerant R407c R410a
Rated power 27.5 kW 30.5 kW 39.5 kW 47 kW 50 kW
Dimension(mm) width 920 920 1100 1150 1250
length 1670 1740 2095 2266 2600
height 1800 1920 2120 2280 2310
Protective device high&low voltage protection/ overload protection/ short circuit protection/ power supply phase loss & reverse phase protection/ abnormal alarm

NOTE

1.Cooling capacity rated at oil 35°C / ambient 35°C. Performance degrades with higher ambient temperature or lower oil temperature.

2.Installation requires min. 300cm clearance around unit for air intake/exhaust.

3.Non-standard/custom options available upon request. Contact us for details.

4.Specifications subject to change without notice for product improvement.

Drawings are for reference only; actual specifications will be provided based on the specific order.

Why TOBEL is

Your Reliable Chiller Manufacturer and Supplier In China?

19 Years Water Chiller Manufacturing Experience

Tobel is a leader of water chiller manufacturers with rich experience.

24 Months Warranty Time

Tobel provides extend to 24 months of warranty time covering all water chillers.

Famous Brand Water Chiller Spare Parts

Each water chiller unit from Tobleuses famous brand spare parts.

Technical Support & Training Service

Tobel can provide water chiller installation and commission service.

8 Hours Chiller Troubleshooting

In case of any water chiller error, Tobel gives a quick response within 8 Hours

Whole Life Time Service of Your Water Chiller

Tobel promise to give all water chiller unit a whole lifetime of service

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