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To the rotary axial fan,The main performanceThis series of fans has the main performances such as explosion-proof safety, noise reduction, smooth operation, smooth characteristic curve, wide area of high efficiency and so on.The main technical performance parameters of this series of fans are: air volume Q, full pressure P, full pressure efficiency ?, noise (compared with A sound level) LSA, rotating speed n and so on. The maximum efficiency of the series of fans is 86%, and the highest noise does not exceed 85dB(A). ?See Table 1 for details of other parameters.The impact on the environment and energyThis product has no pollution to the environment and is a high-efficiency energy-saving product.The performance and external dimension table of the FD series of counter-rotating axial flow local ventilator?Serial no.Machine no.Air volume (m3/min)Full pressure (Pa)Power (KW)13.5/4.4133-90715-13202.2×224/3111-56172-18001.5×234/4.4136-72251-18802.2×244/6150-86351-19563×255/8210-120331-25034×265/11228-132371-29505.5×275/15245-150380-35247.5×285.6/15274-164375-37507.5×295.6/22340-210405-441811×2105.6/30395-250450-447015×2116.3/30420-260413-495015×2126.3/37486-292513-513018.5×2136.3/44525-310600-526322×2146.3/60590-390760-580030×2157.1/60620-396603-645030×2167.1/74672-480800-650037×2177.1/90738-4001100-670045×2
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