VENTILATION EQUIPMENT 0009
    • VENTILATION EQUIPMENT 0009
    HVG MARINE VENTILATION EQUIPMENT 0009

    HVG MARINE VENTILATION EQUIPMENT 0009: Circular diffuser

    Description

    • The inner layer of the blade can be adjusted up and down according to different air supply conditions in summer and winter. In summer, it is horizontally supplied with air (the blade is flush with the outer frame), and in winter, it is vertically aired (the blade is recessed into the outer frame).
    • There is a fabricated connection between the blades, no solder joints.
    • Inner blade can be easily disassembled at any time
    • Material：Aluminum plate (die stamping)
    • Surface treatment:electrostatic spray, baking or anodizing
    • Can be added accessories:C1 round rectifier switch, C2 round rectifier, C3 baffle rectifier, C4 round connector
    • Neck Size：ø150ø200ø250ø300ø350
    • We can offer Customized service.

    Drawing

    Technical specification:

    • Specification
    • Technical parameters
    C Neck size A (Surface size) B (Ceiling opening size) E H T N
    ø150 ø340 Ø290 80 125 15 35
    ø200 Ø440 ø380 80 135 20 40
    ø250 Ø520 Ø460 80 145 20 40
    ø300 Ø610 Ø550 80 155 25 45
    ø350 Ø710 Ø630 80 165 25 50
    Neck Size Wind speed 2.0 2.5 3.0 3.5 4.0 4.5 5.0 6.0
    ø150

    0.0181 m2

    		 Air volume CMH 131 163 196 228 261 294 326 392
    Static pressure loss H 0.2 0.3 0.5 0.7 0.9 1.1 1.4 2.1
    V 0.5 0.8 1.2 1.6 2.0 2.6 3.2 4.6
    Diffusion radius H 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
    Arrival distance V 1.1 1.4 1.7 2.0 2.3 2.7 3.0 3.6
    Noise dB(A) H – – – 26 30 34 36 40
    V – – 21 27 31 35 38 42
    ø200

    0.0320 m2

    		 Air volume CMH 231 288 346 403 461 519 576 692
    Static pressure loss H 0.2 0.3 0.5 0.7 0.9 1.1 1.4 2.1
    V 0.5 0.8 1.2 1.6 2.0 2.6 3.2 4.6
    Diffusion radius H 0.9 1.0 1.2 1.3 1.4 1.5 1.7 1.9
    Arrival distance V 1.3 1.6 2.0 2.3 2.7 3.0 3.4 4.1
    Noise dB(A) H – – 21 27 31 35 38 43
    V – – 23 29 33 36 40 45
    ø250

    0.0399m2

    		 Air volume CMH 359 488 538 628 718 807 897 1076
    Static pressure loss H 0.2 0.3 0.5 0.7 0.9 1.1 1.4 2.1
    V 0.5 0.8 1.2 1.6 2.0 2.6 3.2 4.6
    Diffusion radius H 1.0 1.2 1.4 1.5 1.7 1.8 2.0 2.2
    Arrival distance V 1.6 2.1 2.5 3.0 3.4 3.8 4.3 5.1
    Noise dB(A) H – – 23 29 33 36 39 43
    V – – 25 30 34 38 40 46
    Ø300

    0.03716m2

    		 Air volume CMH 515 644 773 902 1031 1159 1288 1546
    Static pressure loss H 0.2 0.3 0.5 0.7 0.9 1.1 1.4 2.1
    V 0.5 0.8 1.2 1.6 2.0 2.6 3.2 4.6
    Diffusion radius H 1.2 1.4 1.6 1.8 2.0 2.1 2.3 2.6
    Arrival distance V 2.0 2.5 3.0 3.6 4.1 4.6 5.2 6.2
    Noise dB(A) H – – 24 29 33 37 39 44
    V – – 27 32 36 39 42 47
    Ø350

    0.0972m2

    		 Air volume CMH 700 875 1050 1225 1400 1575 1750 2100
    Static pressure loss H 0.2 0.3 0.5 0.7 0.9 1.1 1.4 2.1
    V 0.5 0.8 1.2 1.6 2.0 2.6 3.2 4.6
    Diffusion radius H 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.8
    Arrival distance V 1.4 3.0 3.6 4.2 4.8 5.5 6.2 7.4
    Noise dB(A) H – – 26 31 35 38 41 46
    V – 21 28 33 37 40 44 48

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