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TBEX Series Explosion-Proof Oil Chiller | Certified Safe Thermal Management for Hazardous Environments

The TOBEL TBEX Series Explosion-Proof Industrial Oil Chiller is specialized process cooling equipment engineered specifically for high-risk industrial environments containing flammable gases, vapors, or combustible dust. In hazardous atmospheres—such as chemical processing, oil & gas refineries, pharmaceutical manufacturing, and automated spray-painting workshops—standard cooling components like motors, compressors, and control panels can generate electrical sparks or dangerous surface heat. The TOBEL TBEX series eliminates these risks through rigorous explosion-proof engineering, certified electrical isolation, and heavy-duty thermal protection. It ensures 100% safe, stable, and continuous oil temperature regulation while preventing fire or explosion hazards.

Applications Description

The TBEX Series is designed to meet strict safety and operational standards in Zone 1, Zone 2, Zone 21, and Zone 22 hazardous industrial locations:

  • Chemical & Petrochemical Processing: Process oil cooling for reactors, chemical synthesis lines, refineries, and fuel transfer systems.
  • Pharmaceutical Manufacturing:Oil temperature regulation for extraction equipment, reaction kettles, and solvent handling machinery.
  • Industrial Spraying & Coating: Hydraulic and lubrication oil cooling for automated paint spray booths, coating lines, and solvent-rich environments.
  • Energy, Oil & Gas: Offshore platforms, gas compression stations, and fuel storage/handling facilities.
  • Specialized Powder & Mining Facilities: Hydraulic power units operating in dusty, combustible powder environments.

Product Features

  • Certified Explosion-Proof Engineering:All electrical components—including explosion-proof compressors, motors, junction boxes, and control cabinets—meet stringent international explosion-proof standards (e.g., Ex d / Ex e / ATEX / IECEx compliant design).
  • Spark-Free & Heat-Surface Prevention: Engineered with intrinsically safe circuitry and strict surface temperature limits to completely prevent electrical sparks or high-temperature surfaces from igniting surrounding flammable media.
  • High-Precision & Stable Thermal Control:Features intelligent temperature control systems that accurately stabilize oil viscosity, preserve hydraulic power, and prevent machinery overheating without compromising safety.
  • Heavy-Duty Corrosion & Hazardous Protection: Constructed with rugged industrial casing and optional anti-corrosion treatments (such as 316L sheet metal or specialized protective coatings) to withstand harsh, chemical-rich atmospheres.
  • 24/7 Continuous & Reliable Operation:Built with multi-stage safety interlocks—including high/low pressure switches, flow safety interlocks, over-temperature alarms, and automatic fault isolation—ensuring uninterrupted operation in high-risk zones.
  • Flexible Modular Options: Available in customizable cooling capacities and configurations, supporting various oil media (hydraulic oil, lubrication oil, synthetic fluid) tailored to specific plant safety 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.

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