Application Scenarios
● Hazardous areas with explosive gas mixtures: Zone 1, Zone 2.
● Explosive gas mixtures: IIA, IIB, IIC.
● Hazardous areas with explosive dust: Zone 20, Zone 21, Zone 22.
Product Features
1. Intelligent control enables fully automatic operation of the unit.
2. Utilizes top-tier international scroll compressors with fewer moving parts, lower transmission torque, reduced noise and vibration, resulting in higher reliability and efficiency. Each unit employs two or four compressors to achieve multi-stage capacity control.
3. Flexible combination between individual modules allows for a wider range of applications.
4. Incorporates the most advanced explosion-proof technology, ensuring superior explosion-proof performance and safe, reliable operation of the unit.
5. Widely used in hazardous locations with combustible gases, such as military industry, petroleum, chemical, and pharmaceutical sectors.
Technical Parameters
Item | BKT-65 | BKT-80 | BKT-130 |
Cooling Capacity | 65Kw | 80Kw | 130Kw |
Heating Capacity (Heat Pump) | 72Kw | 84Kw | 140Kw |
Rated Cooling Power Input | 19.3Kw | 23.8Kw | 38.7Kw |
Rated Heating Power Input | 20Kw | 25Kw | 40Kw |
Power Supply | 380V 3N~ 50Hz | 380V 3N~ 50Hz | 380V 3N~ 50Hz |
Noise Level | 67 dB(A) | 68 dB(A) | 69 dB(A) |
Water Flow Rate | 11.2 m³/h | 13.8 m³/h | 22.3 m³/h |
Water-side Pressure Drop | 15Kpa | 20Kpa | 30Kpa |
Refrigerant Type | R22 / R410A | R22 / R410A | R22 / R410A |
Operation Control | Fully automatic microprocessor control, status display, alarm for abnormal conditions. | Fully automatic microprocessor control, status display, alarm for abnormal conditions. | Fully automatic microprocessor control, status display, alarm for abnormal conditions. |
Safety Protections | High/Low pressure, exhaust high-temp, anti-freeze, over-current, reverse/phase-loss, water shortage/cut-off, compressor overheat protection. | High/Low pressure, exhaust high-temp, anti-freeze, over-current, reverse/phase-loss, water shortage/cut-off, compressor overheat protection. | High/Low pressure, exhaust high-temp, anti-freeze, over-current, reverse/phase-loss, water shortage/cut-off, compressor overheat protection. |
Compressor |
Quantity | 2 | 4 | 4 |
Type | Hermetic Flexible Scroll Compressor | Hermetic Flexible Scroll Compressor | Hermetic Flexible Scroll Compressor |
Start-up Method | Direct-on-line start | Direct-on-line start | Direct-on-line start |
Water Circuit System |
Water-side Heat Exchanger Type | High-efficiency shell-and-tube heat exchanger | High-efficiency shell-and-tube heat exchanger | High-efficiency shell-and-tube heat exchanger |
Water Circuit Max. Pressure | 1 Mpa | 1 Mpa | 1 Mpa |
Water Circuit Connection | Flanged connection | Flanged connection | Flanged connection |
Water Inlet/Outlet Flange | DN65 | DN80 | DN80 |
Air System |
Air-side Heat Exchanger | High-efficiency finned-tube coil | High-efficiency finned-tube coil | High-efficiency finned-tube coil |
Fan Rated Power | 0.65×2 Kw | 0.95×2 Kw | 0.65×4 Kw |
Air Flow Rate | 27000m³/h | 30000m³/h | 54000m³/h |
Dimensions & weight |
Width | 2040mm | 2225mm | 2225mm |
Depth | 1000mm | 1000mm | 1650mm |
Height | 2230mm | 2230mm | 2230mm |
Net Weight | 740Kg | 780Kg | 1285Kg |
Operating Weight | 815Kg | 880Kg | 1450Kg |
Explosion-proof Marking |
Explosion-proof Marking | Ex db ib mb IIB T4 Gb | Ex db ib mb IIB T4 Gb | Ex db ib mb IIB T4 Gb |
Notes:
1. Rated cooling capacity test condition: Leaving water temp. 7°C, flow rate 0.172 m³/(h·kW), outdoor dry-bulb temp. 35°C.
2. Rated heating capacity test condition: Leaving water temp. 45°C, flow rate 0.172 m³/(h·kW), outdoor dry-bulb temp. 7°C, wet-bulb temp. 6°C.
3. Specifications are subject to change. Refer to product nameplate for final confirmation.
4. Dimensions include vibration isolation rubber pads (70mm height).
5. For other technical requirements, please consult the sales company.