The Evaporator Manufacturer
Optimize your cold chain with our premium range of cold room evaporator (also known as unit coolers or cooling coils). Engineered for rapid heat transfer and uniform air distribution, these air cooler are the critical component for large maintaining stable humidity and temperature in huge walk-in freezers, large blast chillers, and large refrigerated warehouses.
Advanced Heat Exchange Efficiency of refrigeration evaporator : Featuring corrugated aluminum fins and high-efficiency inner-grooved copper tubes, mechanically expanded to ensure maximum thermal conductivity and reduced energy consumption.
Optimized Airflow Management of cooler evaporator: Equipped with low-noise, IP54-protected external rotor fans, providing high static pressure and long throwing distance to ensure even cooling across the entire storage space.
Intelligent Defrosting Solutions: Flexible defrost options to suit various applications—choose from electric defrost, hot gas defrost, or air defrost (natural/off-cycle) to effectively eliminate frost buildup and maintain consistent coil performance.
Durable & Hygienic Construction: Housings made from corrosion-resistant aluminum alloy or white-coated galvanized steel (optional stainless steel available), designed to withstand harsh, humid environments while meeting strict food safety standards.
Compact Yet Powerful: Large cooling capacity packed into a space-saving footprint, making it ideal for both retrofit projects and new cold room installations.
For cold storage distributors, contractors, engineers, and one-stop sourcing, this is the best choice.

Types Of Evaporator
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Refrigeration EvaporatorThe DL Series Air Coolers Are Suitable For Chiller Rooms At 0℃ And Are Commonly Used For The Preservation And Storage Of Vegetables And Fruits, As Well As The Storage Of Fresh Flowers. Damai Airread more
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Cold Room EvaporatorThe DD Series Air Coolers Are Suitable For Freezer Rooms Down To -18℃ And Are Commonly Used For Frozen Food Storage And Low-Temperature Pharmaceutical Storage. Damai Air Coolers Are Durable,read more
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Unit Cooler EvaporatorThe DJ Series Air Coolers Are Suitable For Blast Freezer Rooms At -25℃, Commonly Used For Quick-Freezing Fish, Meat Storage, Fries, And Pancake Storage. Damai Air Coolers Are Durable, Well-Made, Andread more
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Air CoolerDama air coolers utilize a state-of-the-art piping design to achieve maximum refrigerant flow and uniform distribution within the unit, resulting in high heat exchange efficiency within a compactread more
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Industrial CoolerThe DSD Series Air Coolers Are Suitable For Cold Storage Rooms With A Temperature Of -18℃ And Are Commonly Used For Cooling Food In Workshops And Cold Storage Facilities. Damai Air Coolers Areread more
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Cooler EvaporatorThe DSL Series Air Coolers Are Suitable For Cold Storage Rooms With A Temperature Of 0℃ And Are Commonly Used For Cooling Food In Workshops And Cold Storage Facilities. Damai Air Coolers Are Durable,read more
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Air Blast FreezerThe DJ-S Series Air Coolers Are Suitable For Blast Freezer Rooms At -25℃, Commonly Used For Quick-Freezing Fish, Meat Storage, Fries, And Pancake Storage. Damai Air Coolers Are Durable, Well-Made,read more
Diverse Application Range
Medium Temperature (Cooling Mode): Perfect for fresh produce, dairy, and beverage storage (+10°C to -5°C).
Low Temperature (Freezing Mode): Suitable for frozen meat, seafood, and ice cream storage (-18°C to -25°C).
Industrial Blast Freezing: Customized solutions for rapid core temperature pull-down.
Technical Parameters (Customizable)
Capacity Range: 1kW to 1000kW+
Refrigerants: Eco-friendly options available (R404A, R507A,R22……)
Fin Spacing: Standard (4-6mm) / Wide (8-12mm) for high-humidity or high-dust environments
Motor Voltage: 220-240V / 380-415V, 50Hz/60Hz
Why choose us
Quality Assurance
In our organization there is a team of experts who always inspect the quality of the manufactured products. From start to the last stage of packaging, they give their best efforts to meet the quality standards. Thus we ensure about the durability, energy efficiency and impulsive nature of our delivered products at all times.
OEM/ODM Service
Cold storage projects designing and installation, can supply one -stoppurchase, OEM, ODM service for domestic and abroad clients, wesupport customized service.
Excellent Service
Our professional sales team can reply to your inquiry within 5-10 minutes during working hours and within 24.
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DD Type Ceiling Air Cooler Technical Parameters |
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Fin Space:6.0mm |
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Serial Number |
Model |
Refrigeration Capacity |
Nominal Area |
Olume |
Inlet/Outlet Tube Of Refrigerant |
Fan Parameter |
Electric Defrost |
||||||
|
Number |
Fan Diameter |
Voltage |
Power |
Air Volume |
Range |
Defrosting Power Of Fins |
Power Of Defrosting Pan |
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|
W |
㎡ |
L |
Mm |
N |
Mm |
V |
W |
M³/h |
M |
W |
W |
||
|
1 |
DD-1.2/7 |
1225 |
7 |
1.4 |
φ12/φ19 |
1 |
300 |
380/220 |
75 |
1563 |
8 |
1200 |
600 |
|
2 |
DD-2.8/15 |
2825 |
15 |
2.7 |
φ12/φ19 |
2 |
300 |
380/220 |
2×75 |
3126 |
8 |
2400 |
1200 |
|
3 |
DD-3.7/22 |
3700 |
22 |
3.5 |
φ12/φ19 |
2 |
350 |
380/220 |
2×129 |
4580 |
8 |
2400 |
1200 |
|
4 |
DD-5.3/30 |
5300 |
30 |
5.8 |
φ16/φ22 |
2 |
400 |
380/220 |
2×180 |
6800 |
10 |
2400 |
1200 |
|
5 |
DD-7.0/40 |
7000 |
40 |
7.6 |
φ16/φ22 |
2 |
400 |
380/220 |
2×180 |
6800 |
10 |
3000 |
1500 |
|
6 |
DD-11.2/60 |
11200 |
60 |
10.1 |
φ19/φ32 |
2 |
500 |
380 |
2×414 |
11000 |
15 |
6000 |
1500 |
|
7 |
DD-14.9/80 |
14900 |
80 |
13.5 |
φ19/φ32 |
2 |
500 |
380 |
2×414 |
11000 |
15 |
6000 |
1500 |
|
8 |
DD-18.7/100 |
18700 |
100 |
17.3 |
φ25/φ40 |
3 |
500 |
380 |
3×414 |
18000 |
15 |
8000 |
4000 |
|
9 |
DD-22.3/120 |
22300 |
120 |
19.6 |
φ25/φ40 |
3 |
500 |
380 |
3×414 |
18000 |
15 |
8000 |
4000 |
|
10 |
DD-26.2/140 |
26200 |
140 |
22.7 |
φ25/φ48 |
4 |
500 |
380 |
4×414 |
24000 |
15 |
9600 |
4800 |
|
11 |
DD-29.8/160 |
29800 |
160 |
25.8 |
φ25/φ48 |
4 |
500 |
380 |
4×414 |
24000 |
15 |
9600 |
4800 |
|
12 |
DD-37.2/200 |
37200 |
200 |
32.2 |
φ25/φ50 |
4 |
500 |
380 |
4×414 |
24000 |
15 |
11000 |
4800 |
|
13 |
DD-48.4/255 |
48400 |
250 |
41.9 |
φ28/φ54 |
4 |
550 |
380 |
4×600 |
32000 |
15 |
16800 |
4800 |
|
14 |
DD-57.9/310 |
57900 |
310 |
51.6 |
φ28/φ54 |
4 |
600 |
380 |
4×780 |
36000 |
15 |
21600 |
4800 |

Advantages of Evaporator
Water Recovery
Evaporators are highly effective in recovering water from solutions, contributing to water conservation efforts. They help industries reuse water and reduce overall water consumption.
Concentration of Solids
One of the primary purposes of evaporator is to concentrate solutions by removing water. This is particularly valuable in industries where a higher concentration of solids is required for further processing. With the right evaporators supplier avail of the best services.
Energy Efficiency
Many modern evaporators are designed with energy-efficient features, such as multiple-effect systems and thermal vapor recompression, which minimize energy consumption. This can result in financial savings as well as environmental advantages.
Versatility
Evaporators are versatile and can be adapted to handle various types of liquids, including corrosive or heat-sensitive solutions. This flexibility makes them suitable for a wide range of industrial applications.
Reduced Environmental Impact
By facilitating the reuse of water and concentrating solutions, evaporator contribute to the reduction of wastewater discharge and the overall environmental impact of industrial processes.
Types of Evaporator
Falling Film Evaporators
We use falling film evaporators in industries where gentle heat treatment and short residence time are crucial. These evaporators distribute the liquid evenly over the inner surface of vertical tubes. The liquid forms a thin film, which flows downward under the influence of gravity. As it descends, the liquid heats up, causing the solvent to evaporate.
Thin Film Evaporators
We design thin film evaporators, also known as wiped film evaporators, for the efficient evaporation of highly viscous and heat-sensitive products. These evaporators form a thin film of the liquid on a heated surface. A rotating wiper or blade spreads the liquid into a thin film, enhancing heat transfer and preventing fouling.
Forced Circulation Evaporators
We recommend forced circulation evaporators for handling solutions with a high tendency to scale or crystallize. These evaporators use a pump to circulate the liquid through a heat exchanger, where it heats up before entering the evaporator body. The heated liquid then flashes into vapor, and the process repeats.
Wiped Film Evaporators
We specialize in wiped film evaporators for processing high-viscosity and heat-sensitive materials. These evaporators use a rotating wiper to spread the liquid into a thin film on the heated surface. The thin film allows for rapid evaporation and minimizes thermal degradation.
Agitated Thin Film Evaporators
We use agitated thin film evaporators for highly viscous and foaming liquids. These evaporators include additional mechanical agitation, which enhances the heat transfer and evaporation rates.
Multi-Effect Evaporators
We design multi-effect evaporators to improve energy efficiency by using the vapor generated in one effect as the heating medium for the next effect. These evaporators consist of multiple stages or effects, where each subsequent effect operates at a lower pressure.
Rising Film Systems
Rising film systems are ideal for liquids that tend to foam. In these devices, the liquid is introduced at the bottom of the vertical tubes and heated. As it heats up, vapor forms and pushes the liquid upward, creating a thin film that evaporates quickly.
Uses of Evaporators
Treatment of Wastewater
Evaporators play an important role in industrial wastewater management by reducing liquid waste volume and recovering reusable water.
01
Food and Beverage Industry
Evaporators are intended to concentrate liquids in overall applications which include, but are not limited to, the treatment of milk and juice while preserving nutrients and reducing storage and transportation costs.
02
Chemical Manufacturing
Evaporators serve to concentrate and purify chemicals, without which quality end products would not exist.
03
Pharmaceutical Industry
Evaporators are concerned in the medicine industry for drug-making processes where they are used to accurately concentrate solutions for ideal properties for their medicinal use.
04
Desalination Plants
Gives fresh water for consumption and industrial requirements, and purifies seawater by removing salt and impurities from it.
05
Packaging & Shipping
We have experienced forwarder(DHL,FEDEX,UPS,TNT...) agency to shipment,so the most competitive price can be supplied if you're prefer.
Of course,you can select what you appointed courier to shipment.

As one of the most experienced evaporator manufacturers and suppliers in China, we also support custom service. Please feel free to wholesale high quality evaporator made in China here from our factory. Welcome to view our website for more information.
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