批发管道风机，型号齐全，各类管道风机，圆形管道风机 产品简介 GDF系列是结合国内外先进技术而设计的新型风机，进风口和出风口外形尺寸相同，风机直接与风管连接，见安装示意图，能够极大地节省管道设计及安装费用；新型设计的机壳以及依照空气动力学设计的叶轮，能够减少振动和噪音。适用于酒店、宾馆、高级会场、超市、贮藏室、洗手间等地方的送风、排风、回风、补风和过滤。 Performance introduction GDF series global duct fan is a new fan designed depending on advanced technology both domestic and abroad. The overall dimensions of air let and air outlet are the same. The fan connects with air duct directly, as installation instruction shows. Pipeline design and installation costs are greatly saved. According to aerodynamics can lessen vibration and reduce noise the new shell and the paddle-wheel designed. GDF series circular duct fan is suitable for the hotel, the guesthouse, the senior hall, supermarket, storage and the bathroom to supply, exhaust, exhaust, make-up and filter air.