Shenzhen Dongxing Refrigeration Electromechanical Co., Ltd.
| Payment Terms | T/T |
| Delivery Time | 25-30DAYS |
| Packaging Details | Plywood case |
| Refrigeration | R134A |
| After Warranty Service | Video technical support |
| Electric Parts | Schneider |
| Evaporator Type | Shell and Tube |
| Noise Level | ≤75dB(A) |
| Product Type | Air-Suspension Variable-Frequency Water Chiller |
| Work Mode | Cooling only |
| Capacity Control | frequency conversion |
| Warranty | 1 year |
| Power Supply | 380V/50Hz/3Ph |
| Controller | Microprocessor |
| Condenser Type | Shell and Tube |
| Voltage | 380V~420V/3Y/50Hz |
| Chiller Capacity | 179USRT |
| Brand Name | DONGXING |
| Certification | ISO |
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Product Specification
| Payment Terms | T/T | Delivery Time | 25-30DAYS |
| Packaging Details | Plywood case | Refrigeration | R134A |
| After Warranty Service | Video technical support | Electric Parts | Schneider |
| Evaporator Type | Shell and Tube | Noise Level | ≤75dB(A) |
| Product Type | Air-Suspension Variable-Frequency Water Chiller | Work Mode | Cooling only |
| Capacity Control | frequency conversion | Warranty | 1 year |
| Power Supply | 380V/50Hz/3Ph | Controller | Microprocessor |
| Condenser Type | Shell and Tube | Voltage | 380V~420V/3Y/50Hz |
| Chiller Capacity | 179USRT | Brand Name | DONGXING |
| Certification | ISO | ||
| High Light | 75RT-1000RT Air-Bearing Centrifugal Chiller ，Energy Efficiency Ratio (EER) 6.5 Magnetic Levitation Chiller ，Low Noise ≤75dB(A) Air-Suspension Variable-Frequency Water Chiller | ||
The Future of Frictionless Thermal Management and Sustainable Cooling
Frictionless Aerodynamic Levitation: Our units utilize advanced Air Suspension Bearings, which create a high-pressure air film between the bearing and the rotor during operation. By eliminating physical contact, the system operates with zero mechanical friction.
Extended Service Life: Because there are no wearing parts within the bearing assembly, the mechanical longevity of the compressor is exponentially increased, ensuring stable performance for decades.
Dynamic Load Adaptation: Integrated with an Intelligent Frequency Conversion system, the compressor speed modulates in real-time to match the actual cooling demand.
Optimized Part-Load Efficiency: This eliminates the energy spikes associated with "on/off" cycling, ensuring the unit operates at its most efficient point regardless of whether the facility is at 10% or 100% capacity.
30%–40% Efficiency Gains: By combining frictionless bearings with VFD technology, these units achieve an energy efficiency rating 30%–40% higher than traditional screw or reciprocating units.
Rapid ROI: For high-utilization facilities (such as data centers or 24/7 manufacturing), the reduction in operational electricity costs often allows the equipment to pay for itself within a few years.
Surgical Temperature Accuracy: Engineered for mission-critical applications, the system maintains a precision of ±0.1°C. This level of stability is essential for semiconductor fabrication, laboratory research, and high-end medical imaging.
Ultra-Low Acoustic Footprint: Operating below 70 decibels, our units are among the quietest in the industry. This makes them ideal for noise-sensitive environments, including hospitals, office complexes, and urban data centers.
100% Oil-Free Operation: The air suspension design completely eliminates the need for a lubricating oil system. You no longer need to manage oil pumps, oil filters, or oil separators.
Simplified Service Protocol: Maintenance is reduced to a single, simple task: annual air filter replacement. This drastically reduces labor costs and eliminates the risk of oil-contaminated heat exchangers.
Environmental Stewardship: Utilizing R134A refrigerant, the system meets strict international environmental standards, offering a high-performance solution with zero ozone depletion potential.
| Attribute | Value |
|---|---|
| Refrigeration | R134A |
| After Warranty Service | Video technical support |
| Electric Parts | Schneider |
| Evaporator Type | Shell and Tube |
| Noise Level | ≤75dB(A) |
| Product Type | Air-Suspension Variable-Frequency Water Chiller |
| Work Mode | Cooling only |
| Capacity Control | Frequency conversion |
| Warranty | 1 year |
| Power Supply | 380V/50Hz/3Ph |
| Controller | Microprocessor |
| Condenser Type | Shell and Tube |
| Voltage | 380V~420V/3Y/50Hz |
| Chiller Capacity | 179USRT |
| Model number | DQWV75SA | DQWV9OSA | DQWV200SA | DQWV250SA | DQWV400TA | DQWV450TA |
|---|---|---|---|---|---|---|
| Refrigeration Capacity kW | 265 | 315 | 701 | 855 | 1405 | 1580 |
| USRT | 75.4 | 89.6 | 199.4 | 243.2 | 399.6 | 449.4 |
| kcal/h | 227,900 | 270,900 | 602,860 | 735,300 | 1,208,300 | 1,358,800 |
| Power consumption (kW) | 42.9 | 51.2 | 107.5 | 130.3 | 206.0 | 231.3 |
| COP (kW/KW) | 6.18 | 6.15 | 6.52 | 6.56 | 6.82 | 6.83 |
| IPLV (kW/KW) | 8.23 | 8.18 | 8.56 | 8.52 | 9.15 | 9.12 |
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
30000000-32000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
ABOUT USDong Xing Refrigeration Electrical Co., Ltd. Dong Xing refrigeration Electrical Co., Ltd. Is a professional manufacturer of air-conditioning refrigeration and industrial refrigeration equipment for large enterprises, the company has passed ISO9001: 2000 certification. In accor... ABOUT USDong Xing Refrigeration Electrical Co., Ltd. Dong Xing refrigeration Electrical Co., Ltd. Is a professional manufacturer of air-conditioning refrigeration and industrial refrigeration equipment for large enterprises, the company has passed ISO9001: 2000 certification. In accor...
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