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China Air Cooler Series: Efficient Defrosting, Corrosion-Resistant, High-Quality Suppliers & Factory Solutions
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China Air Cooler Series: Efficient Defrosting, Corrosion-Resistant, High-Quality Suppliers & Factory Solutions

Introducing our advanced defrosting solution, designed for optimal efficiency and energy savings. Utilizing water defrosting technology and specialized spray equipment, our system provides a large, even water flow while preventing splashes. With the option to integrate a module into the controller, users can easily achieve automatic defrosting control, Constructed with a corrosion-resistant shell due to phosphating and surface treatment, our product ensures a longer lifespan. The automatic molding process guarantees the interior of the copper tube remains dry and clean, maintaining high performance standards, Additionally, our airtight product satisfies rigorous air tightness requirements, tested at 2.6mpa. The aluminum fins and copper tubes are expertly combined using liquid pressure machines and TIG welding, resulting in exceptional heat transfer stability, Featuring high-quality fans and heat tubes from renowned brands, our product operates with low noise, minimal energy consumption, and maximum efficiency. The easily disassembled water pan and side plate make maintenance a breeze, As a leading manufacturer and supplier in China, our factory is committed to delivering high-quality solutions that meet the needs of our customers
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    Product Details

    Product Features

    Panel and side plates are well constructed by using step structure, reducing the noise caused by fan and fan vibration. Water pan and side plate are easy to dismantle.

    After treatment of phosphating and surface spray, the shell becomes corrosion resistance, smooth and achieves a longer life span.

    Automatic molding process ensures dry and clean interior of the copper tube.

    2.6mpa air tightness test satisfies product air tightness requirements.

    Expanded by liquid pressure machine, the aluminum fin and copper tube are combined tightly and achieves a stable effect of heat transfer.

    Famous brand fan and heat tube achieves stable quality, low noise, less energy consumption and high efficiency.

    Slot type rack design convenient for installation.

    All wires and plugs are connected in an electrical box, convenient for installation and maintenance.

    Electric defrosting selects high insulation performance stainless steel heating tube. Reasonable distribution achieves short time defrost, high efficiency and low consumption. Users can add module in the controller to realize the automatic defrosting control. Fast efficient defrosting and less energy cost.

    Technical Data

    MODEL Nominal capacity
    (W)    		 Cooling Area
    (m²)    		 Fin Space
    (mm)    		 Pipe diameter
    (mm)    		 Fan Defrost electrical heater
    Qty
    (set)    		 Diameter
    (mm)    		 Air volume
    (m³/h)    		 Pressure
    (mmH₂O)    		 Power
    (W)    		 Voltage
    (V)    		 Coil
    (kW)    		 Drain plate
    (kW)    		 Voltage
    (V)
    DJ-1.2/8 1200 8 9 9.52 2 300 2x1700 98(10) 2x90 380 1.8 0.9 220
    DJ-2.1/15 2100 15 9 9.52 3 300 3x1700 98(10) 3x90 380 2.4 1.2 220
    DJ3.6/20 3600 20 9 16 2 400 2x4000 118(12) 2x190 380 2.6 1.3 220
    DJ-4.6/30 4600 30 9 16 2 400 2x4000 118(12) 2x190 380 2.6 1.3 220
    DJ-7.1/40 7100 40 9 16 2 500 2x6000 167(17) 2x550 380 4.5 1.5 220
    DJ-8.9/55 8900 55 9 16 2 500 2x6000 167(17) 2x550 380 4.5 1.5 220
    DJ-11.6/70 11600 70 9 16 3 500 3x6000 167(17) 3x550 380 8.4 2.1 220
    DJ-14.3/85 14300 85 9 16 3 500 3x6000 167(17) 3x550 380 8.4 2.1 220
    DJ-17.1/100 17100 100 9 16 3 500 3x6000 167(17) 3x550 380 11.2 2.8 220
    DJ-19.6/115 19600 115 9 16 4 500 4x6000 167(17) 4x550 380 11.2 2.8 220
    DJ-22/130 22000 130 9 16 4 500 4x6000 167(17) 4x550 380 12.0 3.0 380
    DJ-23/140 23000 140 9 16 2 630 2×11000 200 2×937 380 24.0 3.0 380
    DJ-25/150 25000 150 9 16 2 630 2×11000 200 2×937 380 24.0 3.0 380
    DJ-28/170 28000 170 9 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DJ-30/190 30000 190 9 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DJ-35/210 35000 210 9 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DJ-41/250 41000 250 9 16 4 630 4×11000 200 4×937 380 27.0 3.0 380
    DJ-50/300 50000 300 9 16 4 630 4×11000 200 4×937 380 30.0 3.0 380
    DD-1.3/7 1300 7 6 9.52 1 300 1x1700 98(10) 1x90 380 1.0 0.5 220
    DD-2.2/12 2200 12 6 9.52 2 300 2x1700 98(10) 2x90 380 1.8 0.9 220
    DD2.8/15 2800 15 6 9.52 2 300 2x1700 98(10) 3x90 380 1.8 0.9 220
    DD-3.7/22 3700 22 6 9.52 3 300 3x1700 98(10) 2x90 380 2.4 1.2 220
    DD-5.6/30 5600 30 6 16 2 400 2x4000 118(12) 2x190 380 2.6 1.3 220
    DD-7.5/40 7500 40 6 16 2 400 2x4000 118(12) 2x190 380 2.6 1.3 220
    DD-11.2/60 11200 60 6 16 2 500 2x6000 167(17) 2x550 380 4.5 1.5 220
    DD-14.9/80 14900 80 6 16 2 500 2x6000 167(17) 2x550 380 4.5 1.5 220
    DD-18.7/100 18700 100 6 16 3 500 3x6000 167(17) 3x550 380 8.4 2.1 220
    DD-22.4/120 22400 120 6 16 3 500 3x6000 167(17) 3x550 380 8.4 2.1 220
    DD-26.4/140 26400 140 6 16 3 500 3x6000 167(17) 3x550 380 11.2 2.8 220
    DD-30.0/160 30000 160 6 16 4 500 4x6000 167(17) 4x550 380 11.2 2.8 220
    DD-35.0/180 35000 180 6 16 4 500 4x6000 167(17) 4x550 380 12.0 3.0 380
    DD-37.0/200 37000 200 6 16 2 630 2×11000 200 2×937 380 24.0 3.0 380
    DD-40.0/220 40000 220 6 16 2 630 2×11000 200 2×937 380 24.0 3.0 380
    DD-46.0/250 46000 250 6 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DD-50.0/275 50000 275 6 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DD-57.0/310 57000 310 6 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DD-67.0/360 67000 360 6 16 4 630 4×11000 200 4×937 380 27.0 3.0 380
    DD-81.0/440 81000 440 6 16 4 630 4×11000 200 4×937 380 30.0 3.0 380
    DL-2.0/10 2000 10 4.5 9.52 1 300 1x1700 98(10) 1x90 380 0.5 0.5 220
    DL-3.0/15 3000 15 4.5 9.52 2 300 2x1700 98(10) 2x90 380 0.9 0.9 220
    DL-5.0/25 5000 25 4.5 9.52 3 300 3x1700 98(10) 3x90 380 1.2 1.2 220
    DL-8.0/40 8000 40 4.5 16 2 400 2x4000 18(12) 2x190 380 1.3 1.3 220
    DL-11.2/55 11200 55 4.5 16 2 400 2x4000 18(12) 2x190 380 1.3 1.3 220
    DL-16.2/80 16200 80 4.5 16 2 500 2x6000 167(17) 2x550 380 3 1.5 220
    DL-21.0/105 21000 105 4.5 16 2 500 2x6000 167(17) 2x550 380 3 1.5 220
    DL-25.0/135 25000 135 4.5 16 3 500 3x6000 167(17) 3x550 380 6.3 2.1 220
    DL-32.6/160 32600 160 4.5 16 3 500 3x6000 167(17) 3x550 380 6.3 2.1 220
    DL-37.6/185 37600 185 4.5 16 3 500 3x6000 167(17) 3x550 380 6.3 2.1 220
    DL-42.7/220 42700 220 4.5 16 4 500 4x6000 167(17) 4x550 380 8.4 2.8 220
    DL-50.0/250 50000 250 4.5 16 4 500 4x6000 167(17) 4x550 380 9 3 220
    DL-55.0/280 55000 280 4.5 16 2 630 2×11000 200 2×937 380 24.0 3.0 380
    DL-60.0/300 60000 300 4.5 16 2 630 2×11000 200 2×937 380 24.0 3.0 380
    DL-66.0/330 66000 330 4.5 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DL-70.0/375 70000 375 4.5 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DL-82.0/410 82000 410 4.5 16 3 630 3×11000 200 3×937 380 24.0 3.0 380
    DL-94.0/470 94000 470 4.5 16 4 630 4×11000 200 4×937 380 27.0 3.0 380
    DL-116.0/580 11600 580 4.5 16 4 630 4×11000 200 4×937 380 30.0 3.0 380
    SDJ Cooling Capacity: Based on an air inlet dry-bulb temperature of -25℃, evaporation temperature of -31℃, and refrigerant liquid temperature of 20℃.
    SDD Cooling Capacity: Based on an air inlet dry-bulb temperature of -18℃, evaporation temperature of -25℃, and refrigerant liquid temperature of 20℃.
    SDL Cooling Capacity: Based on an air inlet dry-bulb temperature of 0℃, evaporation temperature of -8℃, and refrigerant liquid temperature of 30℃.

    Product Display

    Different control ceiling light
    customization (1)
    customization (1)
    customization (1)
    customization (1)
    customization (1)

    Installation Dimensions

    Aings

    Installation size of air cooler

    MODEL L D D2 F E1 N H Inlet Cycle pipe Inlet port Water outlet
    DL25/DD22/DJ15 1580 475 430 100 1380 1 604 12.7 19 G1.5*1 G2.5"
    DL40/DD30/DJ20 1430 550 460 150 1130 1 704 16 25 G1.5*1 G2.5"
    DL55/DD40/DJ30 1430 600 510 150 1130 1 704 16 25 G1.5*1 G2.5"
    DL80/DD60/DJ40 1780 617.5 545 150 740 2 804 19 38 G1.5*1 G2.5"
    DL105/DD80/DJ55 1780 667.5 595 150 740 2 804 19 38 G1.5*1 G2.5"
    DL135/DD100/DJ70 2230 667.5 595 150 643 3 804 19 38 G1.5*1 G2.5"
    DL160/DD120/DJ85 2230 712.5 635 150 643 3 804 19 42 G1.5*1 G2.5"
    DL185/DD140/DJ100 2830 667.5 595 150 643 3 804 22 50 G1.5*1 G2.5"
    DL220/DD160/DJ115 2830 712.5 635 150 632.5 4 804 25 50 G1.5*2 G3"
    DL250/DD180/DJ130 3180 712.5 635 150 720 4 804 25 50 G1.5*2 G4"
    DL280/DD200/DJ140 2252 860 775 186 925 2 1032 25 50 G1.5" G3"
    DL300/DD220/DJ150 2352 860 775 186 976 2 1032 25 50 G1.5" G3"
    DL330/DD250/DJ170 2702 860 775 186 766 3 1032 25 50 G1.5" G3"
    DL375/DD275/DJ190 2902 860 775 186 833 3 1032 25 50 G1.5" G4"
    DL410/DD310/DJ210 3062 860 775 186 886 3 1032 25 50 G1.5" G4"
    DL470/DD360/DJ250 3552 860 775 186 787 4 1082 25 50 G1.5" G4"
    DL580/DD440/DJ300 3786 860 775 186 846 4 1182 28 50 G1.5" G4"

    Application

    74aca0dd-6eb0-4edb-b42a-f70c2be5876a
    4419d501-a634-4532-9675-fd04bacc8877
    67088bcd-6dc9-4c26-a41b-d50e8fb99772
    fb14939c-8c98-4b02-8098-222f6841952c
    Fruit and vegetable preservation cold storage Special medical cold storage Flower preservation cold storage Red wine storage cold storage Aquatic product processing and storage cold storage Special testing cold storage Food processing cold storage

    Frequently Asked Questions

    What are the main differences between the DJ, DD, and DL air cooler series?

    The series differ mainly by fin space and target operating temperatures. The DJ series features a 9mm fin space designed for low-temperature applications (-25℃ inlet). The DD series has a 6mm fin space for medium-temperature cold storage (-18℃ inlet). The DL series has a 4.5mm fin space designed for high-temperature preservation (0℃ inlet).

    How does the defrosting system work and is it energy efficient?

    The electric defrosting system utilizes high-insulation stainless steel heating tubes. With a highly optimized layout, it achieves fast, high-efficiency defrosting with minimal energy consumption. Additionally, users can integrate a controller module to enable automatic defrosting control.

    What measures are taken to reduce noise and vibration?

    The panel and side plates are engineered using a step structure. This structural design significantly minimizes fan vibration and operational noise. Furthermore, the water pan and side plates are easy to dismantle, making maintenance simple.

    How is the heat transfer efficiency optimized in these air coolers?

    The aluminum fins and copper tubes are combined tightly using a liquid pressure expansion machine, which guarantees a stable and highly efficient heat transfer process. The automatic molding process also ensures the interior of the copper tubes remains dry and clean.

    Are the units tested for leaks and air tightness?

    Yes, all units undergo a strict 2.6 MPa air tightness test during manufacturing to satisfy product safety standards and ensure complete system integrity.

    How are the electrical connections managed for installation?

    For convenience and safety, all wires and plugs are pre-connected inside a centralized electrical box, making installation, wiring, and routine maintenance straightforward.