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China CDB Dual-Discharge Cooler - Lightweight Anti-Corrosive Design from Trusted Suppliers and Factory
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China CDB Dual-Discharge Cooler - Lightweight Anti-Corrosive Design from Trusted Suppliers and Factory

The CDB dual-discharge cooler, expertly designed for small operating rooms, stands out among China suppliers as a leading product in cooling technology. Its lightweight and anti-corrosive Al-Mg alloy casing ensures durability, while the easy-to-clean hinged drip tray enhances maintenance efficiency. Featuring high-efficiency copper tubes and aluminum fins, this cooler is equipped with customizable low-noise axial fans and versatile defrosting options, either through electric or hot gas methods. With broad compatibility, it supports multiple refrigerants including R404A, R134a, and R22, providing reliable, quiet, and efficient cooling performance. Trust in our factory’s commitment to high-quality cooling solutions tailored for your operating needs
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    Product Details

    Product Features

    CDB series commercial dual discharge coolers is mainly used in small operating rooms.
    1. Casing
    Al-Mg alloy sheet with powder coating RAL9003, strong anti-corrosion performance and light weight. Outer drip tray adopts integral hinged structure, easy to clean and operate.
    2. Heat Exchanger Coil
    Copper tubing Φ12, Spacing 38.1x33; Corrugated aluminium fins, fin spacing 4.2mm & 6.4mm.
    3. Fans
    Axial fans, working temperature -40℃~60℃, fans individually connected to junction box. Fan specification Φ350, number from 1 to 4, fan motors are divided into 4-poles and 6-poles to meet different noise requirements.
    4. Defrosting
    Standard use of electric defrosting, stainless heating pipes installed in the middle of coil and inner water plate. Independent electric heating tube junction box. Hot gas defrosting or coil hot gas defrosting & water plate electric defrosting can also be used.
    5. Refrigerants
    It can meet the requirements of R404A, R507A, R448A, R449A, R134a, R22 and other refrigerants.

    Technical Data

    Model KW Cooling Area Fan Defrost electrical heater
    Air volume(cmh) Diameter of fans(mm) Quantity (set) Power (w) Voltage Coil (kw) Quantity Coil(W) Quantity Total(W) Voltage (V)
    DL3.9/20 3.9 20 3400 300 2 164 (V) 1600 2 1600 2 3200 220
    DL5.8/30 5.8 30 4600 350 2 250 220 2400 2 2400 2 4800 220
    DL7.8/40 7.8 40 4600 350 2 250 220 2400 2 2400 2 4800 220
    DL10.7/55 10.7 55 6900 350 3 375 220 3300 2 3300 2 6600 220
    DL15.5/80 15.5 80 9200 350 4 500 380 2400 2 2400 2 4800 380
    DL20.3/105 20.3 105 12000 400 4 740 380 4600 2 4600 2 9200 380
    DL26.2/135 26.2 135 16000 450 4 920 380 5000 2 5000 2 10000 380
    DL31.0/160 31.0 160 16000 450 4 920 380 5200 2 5200 2 10400 380
    DL35.9/185 35.9 185 16000 450 4 920 380 6000 2 6000 2 12000 380
    DL42.6/220 42.6 220 19200 450 4 1000 380 6400 2 6400 2 12800 380
    Cooling Capacity: Based on an air inlet dry-bulb temperature of 0℃, evaporation temperature of -8℃, and refrigerant liquid temperature of 30℃.
    Model KW Cooling Area Fan Defrost electrical heater
    Air volume(cmh) Diameter of fans(mm) Quantity (set) Power (w) Voltage Coil (kw) Quantity Coil(W) Quantity Total(W) Voltage (V)
    DD2.7/15 2.7 15 3400 300 2 164 220 1600 2 1600 2 3200 220
    DD3.9/22 3.9 22 4600 350 2 250 220 2400 2 2400 2 4800 220
    DD5.4/30 5.4 30 4600 350 2 250 220 2400 2 2400 2 4800 220
    DD7.2/40 7.2 40 6900 350 3 375 220 3300 2 3300 2 6600 220
    DD10.7/60 10.7 60 9200 350 4 500 380 2400 2 2400 2 4800 380
    DD14.3/80 14.3 80 12000 400 4 740 380 4600 2 4600 2 9200 380
    DD17.8/100 17.8 100 16000 450 4 920 380 5000 2 5000 2 10000 380
    DD21.4/120 21.4 120 16000 450 4 920 380 5200 2 5200 2 10400 380
    DD25.0/140 25.0 140 16000 450 4 920 380 6000 2 6000 2 12000 380
    DD28.6/160 28.6 160 19200 450 4 1000 380 6400 2 6400 2 12800 380
    Cooling Capacity: Based on an air inlet dry-bulb temperature of -18℃, evaporation temperature of -25℃, and refrigerant liquid temperature of 20℃.

    Product Display

    DSC_4054_1276ok
    DSC_4055_1277ok

    Installation Dimensions

    MODEL A B C D W E E1 N F Cycle pipe Inlet tube connector Outlet tube connector
    DL20
    DD15    		 940 680 345 730 780 730 365 2 120 12 22 G1"
    DL30
    DD22    		 1240 730 345 780 830 1030 515 2 120 12 22
    DL40
    DD30    		 1340 780 345 830 880 1130 565 2 120 16 28
    DL55
    DD40    		 1740 780 345 830 880 1530 510 3 120 16 28
    DL80
    DD60    		 2330 820 345 870 920 2030 507.5 4 165 16 28
    DL105
    DD80    		 2930 870 345 920 970 2630 657.5 4 165 19 32
    DL135
    DD100    		 2730 920 445 970 1020 2430 607.5 4 165 19 32
    DL160
    DD120    		 2830 1020 395 1070 1120 2530 632.5 4 165 19 32
    DL185
    DD140    		 2830 1020 445 1070 1120 2530 632.5 4 165 22 35 G(1-1/2)"
    DL220
    DD160    		 3230 1020 445 1070 1120 2930 732.5 4 165 22 35
    Remark: 1. The refrigerating capacity test at environmental temperature 32 ℃. 2. OEM is accepted.

    Application

    Application (1)
    Application (2)
    Application (3)
    Application (4)

    Frequently Asked Questions (FAQ)

    What are the primary applications for CDB series commercial dual discharge coolers?
    CDB series commercial dual discharge coolers are mainly designed and used in small operating rooms to provide efficient and balanced cooling.
    What materials are used for the cooler casing?
    The casing is made of high-quality Al-Mg alloy sheet finished with a RAL9003 powder coating, offering excellent anti-corrosion performance and a lightweight structure. The outer drip tray also features an integrated hinged structure for easy maintenance and cleaning.
    What defrosting systems are compatible with these coolers?
    Electric defrosting is the standard configuration, utilizing stainless steel heating pipes inside the coil and inner water plate with an independent junction box. Additionally, hot gas defrosting or a combination of coil hot gas and water plate electric defrosting can be customized.
    Which refrigerants can be used with the CDB series?
    These units are highly versatile and can meet the operating requirements for various refrigerants, including R404A, R507A, R448A, R449A, R134a, and R22.
    How does the fan configuration address noise and temperature requirements?
    The axial fans operate within a wide temperature range of -40℃ to 60℃. Depending on the model, 1 to 4 fans (Φ350 specification) are used. The fan motors are available in both 4-pole and 6-pole configurations to satisfy different noise level requirements.
    Does the manufacturer support OEM customization?
    Yes, OEM customization is accepted to satisfy specific project demands and technical standards.