Stainless steel air coolers are widely used in cold rooms, freezer rooms, blast freezers, and walk-in cold storage. With corrosion-resistant stainless steel housing, they are ideal for seafood processing, meat storage, fish freezing, dairy products, pharmaceutical cold storage, food processing plants, supermarkets, and marine refrigeration. They provide forced air cooling, uniform temperature distribution, fast freezing, and stable low-temperature performance, helping reduce moisture loss and improve cold chain efficiency. These units are suitable for industrial refrigeration, commercial refrigeration, cold chain logistics, cold storage warehouses, and food freezing tunnels. Multiple models and capacities are available for OEM and customized refrigeration projects.
A stainless steel air-cooled evaporator compared to standard air coolers, these stainless steel units feature key components-such as the outer casing, side panels, protective grilles, and drip trays-upgraded to stainless steel. High-end models may even incorporate stainless steel for components like fan blades, screws, and refrigerant distributors. Offering superior resistance to moisture and corrosion, as well as ease of cleaning, these units are particularly well-suited for applications in the food, seafood, pharmaceutical, and central kitchen sectors, as well as for facilities located in highly humid coastal regions or those subject to stringent hygiene standards.
Customized Services
| Application for example | Room Temperature |
| Fruit & Vegetable constant temperature | 10 to 20°C |
| Fruit & Vegetable freshness | 0 to 15°C |
| Frozen meat storage | -5 to -18°C |
| Quick frozen meat storage | -30 to -35°C |
| Tuna fish | -60°C |
| Cold chain transportation | -80°C |
Naming Convention
DD(1)-2.8(2)/15(3)
(1)DD
DL: High temperature
DD: Medium temperature
DJ : Low temperature
(2)2.8: Refrigerating capacity
(3)15: Heat transfer area
Technical parameters
| DL Type Ceiling Air Cooler Technical Parameters | |||||||||||||
| 4.5 mm Fin space:4.5mm | |||||||||||||
| Serial Number | Model | Refrigeration Capacity |
Nominal Area |
Volume | 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 | ||||||
| W | ㎡ | L | mm | N | mm | V | W | m³/h | m | W | W | ||
| 1 | DL-2/10 | 2000 | 10 | 1.4 | φ12/φ19 | 1 | 300 | 380/220 | 75 | 1563 | 8 | 600 | 600 |
| 2 | DL-4.3/20 | 4260 | 20 | 2.7 | φ12/φ19 | 2 | 300 | 380/220 | 2×75 | 3126 | 8 | 2400 | 1200 |
| 3 | DL-6.2/30 | 6200 | 30 | 3.5 | φ12/φ19 | 2 | 350 | 380/220 | 2×129 | 4580 | 8 | 2400 | 1200 |
| 4 | DL-8.2/40 | 8200 | 40 | 5.8 | φ16/φ22 | 2 | 400 | 380/220 | 2×180 | 6800 | 10 | 2400 | 1200 |
| 5 | DL-12.3/60 | 12300 | 60 | 7.6 | φ16/φ22 | 2 | 400 | 380/220 | 2×180 | 6800 | 10 | 3000 | 1500 |
| 6 | DL-16.4/80 | 16400 | 80 | 10.1 | φ19/φ32 | 2 | 500 | 380 | 2×414 | 11000 | 15 | 3000 | 1500 |
| 7 | DL-21.5/105 | 21500 | 105 | 13.5 | φ19/φ32 | 2 | 500 | 380 | 2×414 | 11000 | 15 | 4500 | 1500 |
| 8 | DL-27.6/125 | 27600 | 125 | 17.3 | φ25/φ40 | 3 | 500 | 380 | 3×414 | 18000 | 15 | 6000 | 2000 |
| 9 | DL-32.8/160 | 32800 | 160 | 19.6 | φ25/φ40 | 3 | 500 | 380 | 3×414 | 18000 | 15 | 6000 | 2000 |
| 10 | DL-37.9/185 | 37900 | 185 | 22.7 | φ25/φ48 | 4 | 500 | 380 | 4×414 | 24000 | 15 | 7200 | 2400 |
| 11 | DL-42.9/210 | 42900 | 210 | 25.8 | φ25/φ48 | 4 | 500 | 380 | 4×414 | 24000 | 15 | 7200 | 2400 |
| 12 | DL-53.3/260 | 53300 | 260 | 32.2 | φ25/φ50 | 4 | 500 | 380 | 4×414 | 24000 | 15 | 9600 | 2400 |
| 13 | DL-69.4/340 | 69400 | 340 | 41.9 | φ28/φ54 | 4 | 550 | 380 | 4×600 | 32000 | 15 | 11000 | 2400 |
| 14 | DL-83.6/410 | 83600 | 410 | 51.6 | φ28/φ54 | 4 | 600 | 380 | 4×780 | 36000 | 15 | 19200 | 2400 |
| For Application To T Library=0 ℃,△t=7℃,the Energy Of R134a Should Be Multiplied By The Correction Factor F, Qor134a=qor22xf. | |||||||||||||
Size Chart
| No. | Model | Shape size | Position size of the mounting hole | Drainage to take over the outer diameter | Space | |||||||
| L | B | H | D | E | E1 | E2 | E3 | F | W | |||
| 1 | DL-2/10 | 670 | 460 | 485 | 360 | 455 | / | / | / | 87 | G1" | 300 |
| 2 | DD-1.2/7 | |||||||||||
| 3 | DL-4.3/20 | 1300 | 460 | 485 | 360 | 1085 | / | / | / | 87 | G1" | 300 |
| 4 | DD-2.8/15 | |||||||||||
| 5 | DJ-1.7/10 | |||||||||||
| 6 | DL-6.2/30 | 1300 | 460 | 485 | 360 | 1085 | / | / | / | 87 | G1" | 300 |
| 7 | DD-3.7/22 | |||||||||||
| 8 | DJ-2.6/15 | |||||||||||
| 9 | DL-8.2/40 | 1380 | 480 | 600 | 360 | 1085 | / | / | / | 107 | G1" | 350 |
| 10 | DD-5.3/30 | |||||||||||
| 11 | DJ-3.4/20 | |||||||||||
| 12 | DL-12.3/60 | 1750 | 480 | 600 | 360 | 1455 | / | / | / | 107 | G1" | 350 |
| 13 | DD-7.0/40 | |||||||||||
| 14 | DJ-5.1/30 | |||||||||||
| 15 | DL-16.4/80 | 1920 | 580 | 670 | 470 | 1625 | 800 | / | / | 107 | G1" | 400 |
| 16 | DD-11.2/60 | |||||||||||
| 17 | DJ-6.8/40 | |||||||||||
| 18 | DL-21.5/105 | 1920 | 580 | 710 | 470 | 1625 | 800 | / | / | 107 | G1" | 450 |
| 19 | DD-14.9/80 | |||||||||||
| 20 | DJ-8.9/55 | |||||||||||
| 21 | DL-2.8/125 | 2420 | 580 | 710 | 470 | 2025 | 665 | 665 | / | 107 | G1" | 450 |
| 22 | DD-18.7/100 | |||||||||||
| 23 | D1-I1.6/70 | |||||||||||
| 24 | DL-32.8/160 | 2720 | 580 | 710 | 470 | 2425 | 800 | 800 | / | 107 | G1" | 500 |
| 25 | DD-22.3/120 | |||||||||||
| 26 | DJ-14.3/85 | |||||||||||
| 27 | DL-37.9/185 | 3120 | 580 | 710 | 470 | 2825 | 700 | 700 | 700 | 107 | G2" | 500 |
| 28 | DD-26.2/140 | |||||||||||
| 29 | DJ-17.9/105 | |||||||||||
| 30 | DL-42.9/210 | 3520 | 580 | 710 | 470 | 3225 | 800 | 800 | 800 | 107 | G2" | 500 |
| 31 | DD-29.8/160 | |||||||||||
| 32 | DJ-19.6/115 | |||||||||||
| 33 | DL-53.3/260 | 3520 | 630 | 770 | 520 | 3225 | 800 | 800 | 800 | 107 | G2" | 500 |
| 34 | DD-37.2/200 | |||||||||||
| 35 | DJ-23.9/140 | |||||||||||
| 36 | DL-69.4/340 | 3520 | 680 | 940 | 570 | 3225 | 800 | 800 | 800 | 107 | G2" | 610 |
| 37 | DD-48.4/255 | |||||||||||
| 38 | DJ-28.9/170 | |||||||||||
| 39 | DL-83.6/410 | 3520 | 680 | 1140 | 570 | 3225 | 800 | 800 | 800 | 107 | G2" | 610 |
| 40 | DD-57.9/310 | |||||||||||
| 41 | DJ-35.8/210 | |||||||||||
Packaging
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