關鍵字：風機廠家,屋頂風機,通風設備,通風機
dbzz屋頂通風機主要作為石油、化工、紡織、冶金和機械廠房、辦公室、試驗室、倉庫等建筑物室內通風換氣，它能適應建筑物的不同結構形式和使用需要，可安裝在屋頂和墻壁上，當工作介質溫度為25℃，相對濕度不應大于90%，介質含塵量（含固體、雜質）應不超過1 00mg/m3。
該風機主要由葉輪、風筒、風帽，電動機及其它附件組成。葉輪采用軸流風葉或離心風葉，特殊需要可反風。風帽及底座采用質輕、高強度、耐腐蝕的玻璃鋼材料，具有外形美觀、抗風雨的特點。
屋頂風機分為WT35(DWT-I)軸流式和WT4-72(DWT-II)離心式兩種。
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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