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portant; background-image: initial !important; background-position: 0px center !important; background-size: initial !important; background-repeat: initial !important; background-attachment: initial !important; background-origin: initial !important; background-clip: initial !important;" /> DFBZ-Ⅰ型为采用内转子电机直联传动结构形式、DFBZⅡ型采用内转子电机、皮带传动结构形式，DFBZⅢ型为采用外转子电机直联转结构形式。可根据用户要求时称防腐防爆型。
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portant; background-image: initial !important; background-position: 0px center !important; background-size: initial !important; background-repeat: initial !important; background-attachment: initial !important; background-origin: initial !important; background-clip: initial !important;" /> DFBZ低噪声方形壁式轴流风机采用低噪声轴流风叶、风机专用电机直联传动，方形消音型外壳（可进一步降低风机噪声；整机制成方形，墙体预留方孔简单，安装方便）。出风口装有铝合金自垂百叶（可防止室外雨水、灰尘和自然风向室内倒灌）；具有明显的外形美观，噪声低、运行平稳、安装牢固等优点，广泛适用于民用商用建筑工程和厂矿企业车间的低噪声壁式排风。可根据使用场合要求制成防爆防腐型风机XBDZ系列风机具有明显的效率高、运行平稳等优点，叶轮一般采用铝合金制成，广泛适用于工矿企业、民用建筑、体育馆、各种娱乐场合的壁式排风，并具有以下特点：
portant; background-image: initial !important; background-position: 0px center !important; background-size: initial !important; background-repeat: initial !important; background-attachment: initial !important; background-origin: initial !important; background-clip: initial !important;" /> 1、外形美观、安装方便、整机制成方形，安装前，墙体按不同机号预留方孔，安装时风机从墙体外侧放入墙洞，外壳与墙体之间塞以橡皮或软木即可。
portant; background-image: initial !important; background-position: 0px center !important; background-size: initial !important; background-repeat: initial !important; background-attachment: initial !important; background-origin: initial !important; background-clip: initial !important;" /> 2、风机靠外墙侧装有铝合金防水风口，可以防止室外雨水和自然风向室内倒灌，
portant; background-image: initial !important; background-position: 0px center !important; background-size: initial !important; background-repeat: initial !important; background-attachment: initial !important; background-origin: initial !important; background-clip: initial !important;" /> 3、风机带有消声外壳，内置吸声材料，方形整体安装牢固、振动小、运行平稳、噪音低。
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本系列风机一般配用三相电机，按用户要求可对0.55kW以下配用单相电机。