关键字：风机厂家,屋顶风机,通风设备,通风机
dbzz屋顶通风机主要作为石油、化工、纺织、冶金和机械厂房、办公室、试验室、仓库等建筑物室内通风换气，它能适应建筑物的不同结构形式和使用需要，可安装在屋顶和墙壁上，当工作介质温度为25℃，相对湿度不应大于90%，介质含尘量（含固体、杂质）应不超过1 00mg/m3。
该风机主要由叶轮、风筒、风帽，电动机及其它附件组成。叶轮采用轴流风叶或离心风叶，特殊需要可反风。风帽及底座采用质轻、高强度、耐腐蚀的玻璃钢材料，具有外形美观、抗风雨的特点。
屋顶风机分为WT35(DWT-I)轴流式和WT4-72(DWT-II)离心式两种。
Performance induction
WT35(DWT-I)、WT4-72(DWT-II) series roof extraction fans are mainly used for ventilation and air-changing inside buildings such as petroleum, chemical, textile, metallurgy, mechanical factory houses, office, experimental room, warehouse, etc. The fan can adapt to different version and needs. It can be installed on the roof or on wall. When the temperature of medium is 25℃, the relative humidity should not greater than 90% , and the dust and hard particles contained should not exceed100mg/m3.
The fan consists of impeller,hair dryer,cap ,motor and other accessories. The impeller takes axial flow fan blade or centrifugal fan blade ,when on special occasion it can be inverted for ventilation. The material used in cap and foundation is glass fiber reinforced plastic materials which is light, high strength and corrosion resistant.The features of cap and foundation are nice appearance and wind resistance.
Roof extraction fans have be divided into two kinds: WT35(DWT-I) axial flow fans and WT4-72(DWT-II) centrifugal fans.
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