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Chilled Water Coils

Your Professional Chilled Water Coils Manufacturer & Supplier

Founded in 2002, Hangzhou Sail Refrigeration Co., Ltd. has 20 years of experience in HVAC coil manufacturing, providing high-quality heat exchangers and reliable OEM services to clients worldwide.

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Why Choose Us

Professional Certification

We have obtained CE and ISO9001 certifications. Our facility is equipped with high-speed fin punching machines, automatic copper tube bending and expanding machines, and helium leak detection equipment, ensuring precise processing and consistent product quality.

Global Reach

Our products are exported to key international markets, including the United States, South Korea, Poland, the UAE, Pakistan, and Iran, where they have earned widespread recognition and trust from a diverse clientele.

Customization Services

From initial sample design to mass production, our process includes rapid sample prototyping for client approval, rigorous material selection, and precise production controls. Multi-stage quality inspections ensure that products are delivered on time and fully meet client specifications and performance requirements.

Product Applications

Our condenser and evaporator coils serve as critical components in residential air conditioning, marine systems, industrial chillers, dehumidifiers, and other sectors, ensuring efficient and reliable operation of refrigeration and drying systems.

Specification

Specifications of condenser and evaporator coils
NO	Tube Diameter(mm)	Distance of hole/row(mm)	Fin Style	Fin Space(mm)
1	Φ7	21*12.7	Louvered fin,Plain fin,Sine wave fin	1.4~2.0
2	Φ7	21*18.9	Sine wave fin,Corrugated fin	1.3~1.9
3	Φ7	25*21.65	Louvered fin	1.5~3.8
4	Φ9.52	25.4*22	Louvered fin,Sine wave fin	1.6~6.35
5	Φ9.52	25.4*22	Louverd fin,Plain fin,Sine wave fin	1.6~3.2
6	Φ9.52	25*19	Louverd fin,Plain fin,Sine wave fin	1.4~3.2
7	Φ9.52	25*21.65	Louvered fin,V ripple fin	2.0~3.8
8	Φ9.52	25*25	Plain fin	1.6~3.2
9	Φ9.52	25*21.65	Plain fin	2.0~6.0
10	Φ9.52	25.4*22	Louvered fin,Plain fin,Sine wave fin	1.6~6.35
11	Φ9.52	31.75*27.5	Louvered fin,Plain fin,Sine wave fin	1.6~6.35
12	Φ12.7	31.75*27.5	Plain fin,Sine wave fin,V ripple fin	1.8~6.0
13	Φ12.7	31.75*27.5	Louvered fin,Plain fin,Sine wave fin,V ripple fin	1.7~2.2
14	Φ12.7	31.75*27.5	Corrugated fin	1.6~2.9
15	Φ15.88	38.1*33	Plain fin,Sine wave fin,V ripple fin	2~4
1.5~4.1	1.5~4.2	1.5~4.3	1.5~4.4	1.5~4.5

Advantages of Chilled Water Coils

Superior Energy Efficiency
One of the main reasons chilled water coils are favored in large commercial HVAC systems is their ability to provide superior energy efficiency. By using water as the heat transfer medium, these coils are capable of absorbing more heat from the air than traditional cooling coils that use refrigerants. Additionally, water has a higher specific heat capacity, which means it can hold more energy with less temperature change, making the cooling process more efficient.

Environmentally Friendly
Traditional refrigerant-based cooling systems rely on chemical refrigerants, some of which have been linked to environmental damage due to ozone depletion or greenhouse gas emissions. In contrast, chilled water systems use water—a non-toxic and renewable resource—as the primary medium for cooling. This makes chilled water coils a much more sustainable option in the HVAC industry, especially when considering environmental regulations and eco-friendly building designs.

Consistent Temperature Control
Chilled water systems are particularly effective for maintaining consistent temperatures in large spaces. Unlike refrigerant-based systems that might fluctuate more in temperature control, chilled water coils allow for more precise regulation. The use of a central chiller plant, which cools water that is then distributed to various coils throughout a building, makes it easier to maintain stable, even cooling across all areas.

Scalability for Large Applications
Another key advantage of chilled water coils is their scalability. In large commercial or industrial buildings, air conditioning systems need to cover significant square footage. Hydronic cooling coils, such as those found in chilled water systems, are perfectly suited for these large-scale applications. These systems can easily be expanded by adding more coils, and the central chilled water system can accommodate varying cooling demands, making it a flexible solution for both current and future needs.

Reduced Maintenance Costs
Since chilled water coils use water rather than refrigerants, there is less wear and tear on components compared to traditional air-cooled or refrigerant-based systems. Water-cooled systems typically require less maintenance, fewer repairs, and have a longer operational life, translating to cost savings over time. While any HVAC system will need periodic maintenance, chilled water systems tend to be more robust, with fewer issues related to refrigerant leaks or compressor failures.

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Basic Principles of Chilled Water Coils

Chilled water coils are fluid to air heat exchangers. Generally constructed from copper tubes mechanically expanded into aluminium plate fins with self spacing collars to ensure efficient heat transfer. The Chilled water flows through the tubes from the connection header manifolds into individual circuits formed with copper return bends. The heat is transferred from the air flowing over the fins and tubes into the water flowing through the tubes. The coil assembly is contained in a sheet metal casing with a drain tray to collect the condensate which will be produced when the air is cooled below dew-point. Where moisture carryover over may occur due to air velocity or condensate load, moisture eliminator blades are fitted to prevent carryover into the air stream.

Applications of Chilled Water Coils

Large Commercial Buildings: For skyscrapers, office complexes, and shopping malls, maintaining cool air across large spaces requires an efficient and reliable system. Chilled water coils deliver high cooling capacity without compromising energy usage, making them ideal for these structures.

Industrial Applications: Factories, warehouses, and other industrial spaces benefit from the scalable nature of chilled water systems. These systems can cool large areas with varying cooling demands, accommodating different zones of activity.

Hospitals and Healthcare Facilities: Temperature control is crucial in healthcare settings to ensure patient comfort and maintain sterile environments. The reliability and precision of chilled water coils make them perfect for hospital HVAC systems.

Data Centers: With servers running 24/7, data centers generate a tremendous amount of heat. The efficient heat absorption of chilled water coils helps regulate temperatures in these critical environments, reducing the risk of overheating and downtime.

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Customization Services

To better meet the diverse needs of different industries and clients, we can provide customized chilled water coils solutions based on your specific application scenarios and special requirements. For more information or support, please feel free to contact us.

Packaging and Shipping

Packaging	PE film, wooden crates, or packaging in accordance with the customer's specific requirements.
Transportation methods	Depending on the client's preferences, sea freight, air freight, or express delivery options are available.

FAQ

Q: What is a chilled water coil?

A: Chilled water coils also known as hydronic cooling coils are typically used to cool or remove moisture from air streams. The air to be cooled moves through the fins, and either water or an ethylene or propylene glycol solution move through the tubes. This is a type of heat exchanger mostly used in commercial and industrial air handler units.

Q: What materials are used in chilled water coils?

A: Most chilled water coils use copper tubes with aluminum fins for efficient heat transfer. In some applications, all-aluminum or stainless steel coils are used for corrosion resistance.

Q: Where are chilled water coils commonly used?

A: They are widely used in residential and commercial fan coil units, air handling units, office buildings, hospitals, hotels, and industrial cooling systems.

We are one of the most professional chilled water coils manufacturers and suppliers in China, featured by quality products and good service. Please rest assured to buy high-grade chilled water coils for sale here from our factory. Customized orders are welcome.

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