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Power Supply: 208V~380~480V, 3-Phase,50Hz/60Hz
Global Service Brand Compressor: HANBELL / BITZER Semi-hermetic screw type compressor
Certifications: CE, ISO 9001
Condenser: High-efficiency air cooled type
Evaporator: Closed type shell and tube
Easy installation and operate, no need install cooling tower.
Air Cooled Industrial Chillers With Semi-Hermetic Screw Compressors
1. Technical Specifications
Cooling Capacity: 40~300 Tons
Power Supply: 208V~380~480V, 3-Phase,50Hz/60Hz
Global Service Brand Compressor: HANBELL / BITZER Semi-hermetic screw type compressor
Certifications: CE, ISO 9001
Condenser: High-efficiency air cooled type
Evaporator: Closed type shell and tube
Easy installation and operate, no need install cooling tower
2. Product Introduction
(1). No Water Dependency, Lower Operational Costs.
Air-Cooled Screw Chillers eliminate the need for cooling towers or water pipelines, making them ideal for:
Arid regions or areas with water scarcity
Quick installation (40% faster than water-cooled systems)
Cost savings on water treatment and plumbing infrastructure
(2). High Energy Efficiency (Variable Speed Control options).
Equipped with screw compressors and high power fans (EC fans options), our chillers achieve:
10-100% capacity modulation to match real-time cooling demand
30% lower energy consumption vs. reciprocating chillers.
3). Space-Saving & Outdoor Durability
Compact design
Corrosion-resistant coatings for harsh environments (saltwater, dust, or high humidity)
Ambient operation in temperatures up to 122°F (50°C).
4). Eco-Friendly & Compliance-Ready
ECO-Friendly type refrigerants with ultra-low GWP (Global Warming Potential).
5). Smart Monitoring & Predictive Maintenance
IoT-enabled (option)sensors track performance metrics (condenser pressure, refrigerant levels)
Cloud-based alerts for filter cleaning, lubrication schedules, and fault detection
Self-diagnostic systems reduce downtime by 25%
3. Application Industries
Plastics Manufacturing: Stable cooling for injection molding machines,Extrusion Molding, Thermoforming,Vacuum Forming etc.
Brewing,Food & Beverage: Hygienic temperature control for processing lines
Data Centers: Precision cooling for server racks
Pharmaceuticals: GMP-compliant cleanroom cooling
DARKO has developed a highly intelligent PLC and PC-level computer control system, which can be used for remote monitoring and control. Simple operation, connect with power supply directly, with lower failure, and high safety factor, easy installation. User can set the parameter as real working need, intuitive and reliable; SIMENS PLC is workable.
Protection System:
Temperature control switch, high and low pressure switch, overload protection, compressor overheat protector, compressor frequent start protector and abnormal indicator light.
Compressor:
1. The compressor adopt a new high-efficiency screw type rotary compressor, which is 20-30% saving energy than ordinary compressors, we have long cooperation with HANBELL, BITZER, REFCOM,and etc.
2. Cooling capacity control can adopt four-stage (100%-75%-50%-25%) or three-stage (100%-66%-33%) and step-less control system.
4.Adopt special groove design of high-efficiency silicon steel, and equipped with internal and external omnidirectional design cooling flow, so that the compressor motor can exert the highest efficiency under any load.
3. Adopt kinds of refrigerant, except R22, also use eco-friendly type, such as R407c, R134a, R32 and etc.
1.Equipped with high-efficiency transverse slit fins and internal threaded copper tubes, with high heat exchange efficiency and good stability.
2. Powerful fan make sure good heat exchanger in different ambient temperature, the fan will be control according to different condensing temperature need.
Evaporator
Shell and tube heat exchanger with higher cooling efficient, and good Insulation.
Internal with water pump and tank is optional.
DARKO air cooled screw chillers adopt semi-hermetic screw compressor, which mainly solves the problem of large cooling capacity need. It is suitable for the working condition where is windy and sandy, and hard water quality. Small space and higher efficient. The air cooled screw chillers has a built-in screw compressor and a finned condenser, and equipped with a shell-and-tube high-efficiency heat exchanger and a low-frequency speed fan as standard.
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