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Years Industry Experience
Employees
Export Amount
Plant Area
Zhejiang Kaidi Refrigeration Equipment Co., Ltd. was founded in 1995, with “Kaidi” as our registered trademark. As one of the professional Water Cooled Chiller Supplier and China Water Cooled Chiller Company, we have been focusing on refrigeration for nearly 30 years. Today, Kaidi has developed into a scientific and technological enterprise integrating scientific research and development, processing and manufacturing, pre-sales program design, product sales and commissioning, and comprehensive after-sales service support. Headquartered in Shengzhou City, Zhejiang Province, our factory covers an area of 100,000 square metres, with more than 60,000 square metres of modern factory buildings and more than 8,000 square metres of offices, as well as Shanghai Hongqiao Office (R&D Centre), Guangzhou Panyu Office, Beijing Branch and so on.
After years of development, we have the management team of a top 500 enterprise and a standardised and efficient operation system, as well as strong technical research and development strength. The factory is equipped with complete and advanced CNC machining equipment and high-standard testing laboratory, with strong product development and lean processing and manufacturing capabilities; the establishment of a professional pre-sales technical support, after-sales service guarantee system, we not only research and development and production of advanced refrigeration equipment, but also the overall solution provider for high-quality customers to provide first-class products and services to ensure that our purpose and goal.
Our sales and service network not only spreads all over the country, but also develops rapidly in the world in the past few years, ‘Kaideli’ brand refrigeration products have a high reputation both at home and abroad, and have won the praise and recognition of our customers. At present, our customers include: cold chain logistics enterprises such as GLP, Shunfeng, Jingdong, Yaleng, Kai Orange, etc.; food processing enterprises such as Wufeng, Holliday, Ligao, Qingmei, Zuming, Anjing, Sienian, etc., central kitchens such as Makgindi, Lvcheng, Ajisai, etc.; slaughter enterprises such as Winsome, Xinning, etc.; edible fungi factory planting enterprises such as Xiangru Biological, Guiwang, Huaguang, Zongxing Mushroom, Lisa, etc., as well as Shanghai Pharmaceuticals, China Medicine Group, and so on. Group and so on.
Since the establishment of the company has passed the IS09001 quality management system certification, ISO4001 environmental management system certification, ISO45001 occupational health and safety system certification; obtained the industrial products production licence and the People's Republic of China special equipment manufacturing licence and so on.
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Water Cooled Chiller is a specialized refrigeration system designed to remove heat from a process fluid (usually water or a glycol mixture) and reject it through a separate water circuit, typically connected to a cooling tower. Compared to air-cooled alternatives, a Water Cooled Chiller offers significantly higher energy efficiency and a longer service life, making it the preferred choice for large-scale industrial manufacturing, data centers, and centralized HVAC systems.
By leveraging over 30 years of refrigeration expertise, Zhejiang Kaidi Refrigeration Equipment Co., Ltd. engineers high-performance Water Cooled Chiller units that prioritize environmental sustainability and operational stability. Our systems are integrated with precision CNC-machined components and tested in high-standard laboratories to ensure they meet the rigorous demands of global industrial standards.
The operation of a Water Cooled Chiller follows the vapor-compression cycle, but utilizes water as the condensing medium rather than ambient air.
Evaporation: Low-pressure liquid refrigerant absorbs heat from the process water in the evaporator, turning into gas and cooling the process water.
Compression: The compressor (Screw or Scroll) increases the pressure and temperature of the refrigerant gas.
Condensation: The high-pressure gas enters the condenser, where cool water from a cooling tower absorbs the heat, causing the refrigerant to condense back into a liquid.
Expansion: The liquid refrigerant passes through an expansion valve, dropping in pressure before returning to the evaporator.
Kaidi Technical Edge: Our R&D center in Shanghai focuses on optimizing the heat exchange coefficient of our condensers, ensuring that Kaidi units maintain peak COP (Coefficient of Performance) even under fluctuating load conditions.
Choosing the right system depends on your facility's infrastructure. Below is a data-driven comparison:
| Feature | Water Cooled Chiller | Air Cooled Chiller |
| Cooling Medium | Water (requires cooling tower) | Ambient Air (integrated fans) |
| Energy Efficiency (COP) | High (4.5 – 6.0+) | Moderate (2.5 – 3.5) |
| Service Life | 20+ Years | 10–15 Years |
| Installation Space | Indoor (Plant Room) | Outdoor (Roof/Ground) |
| Noise Level | Low (Internal operation) | High (External fan noise) |
| Ideal for | Large-scale factories, high-rise buildings | Small to medium facilities, water-scarce areas |
With a 100,000 $m^2$ manufacturing base, Kaidi provides tailored solutions across various sectors:
Plastic & Chemical Processing: Precise temperature control for injection molding and chemical reactors to ensure product consistency.
Food & Beverage: Rapid cooling for dairy and beverage production lines, maintaining hygiene and safety.
Data Centers: Continuous 24/7 cooling for high-density server racks where downtime is not an option.
Case Study: A major textile manufacturer in Southeast Asia implemented a Kaidi centralized Water Cooled Chiller system, resulting in a 25% reduction in annual energy costs compared to their previous air-cooled setup.
To maintain the "Kaideli" brand reputation for reliability, we recommend the following maintenance schedule:
Water Quality Management: Regularly treat the cooling tower water to prevent scale buildup and corrosion in the condenser tubes.
Refrigerant Charge: Periodically check for leaks and ensure the refrigerant level is within the factory-specified range.
Electrical Inspections: Inspect contactors and wiring for signs of wear or overheating.
Oil Analysis: For screw-type compressors, annual oil analysis ensures internal components remain lubricated and debris-free.
Q1: Does a Water Cooled Chiller always require a cooling tower?
Yes. To reject the heat absorbed by the refrigerant, a continuous flow of cool water is required, which is standardly provided by an external cooling tower and pump system.
Q2: How does Kaidi ensure the quality of its refrigeration units?
Zhejiang Kaidi utilizes advanced CNC machining and a high-standard testing laboratory. Every unit undergoes rigorous performance testing under simulated load conditions before leaving our 60,000 $m^2$ modern factory.
Q3: Can these units be integrated into existing Building Management Systems (BMS)?
Absolutely. Our chillers come equipped with smart controllers that support standard communication protocols (like Modbus or BacNet) for seamless integration.
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We focus on refrigeration for nearly 30 years.
Block A, Ganlin Industry Park, Shengzhou, Zhejiang, China.
kd@zjkaideli.com
+86-0575-83272600Copyright © 2025Zhejiang Kaidi Refrigeration Equipment Co., Ltd
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