玻璃钢直联式负压风机优点：

◆外框采用玻璃钢材质，轻质、绝缘、不生锈、不老化、耐酸碱、坚固耐用，使用年限长；

◆外形运用导流设计，防水，防雨；

◆采用特殊电机，直接式结构免维护（改变传统的皮带传动）提高效能、简化效能、简化结构、降低维护费；

◆风叶采用尼龙加纤抗紫外线技术和28固定定位系统，持久坚固；

◆空气顺流原理百叶窗、不耗电、无需开关，且能有效防止雨水入侵；

◆规划安装不占空间，任何场所均可安装。

◆Frame with glass fiber reinforced plastic material, light, insulation, no rust, no age,strong and durable, long working life.

◆Unique diversion design, waterproof and rain.

◆Special motor used, direct structure free maintenance (change traditional belt drive) increase the efficiency , simplify the structure, reduce the maintenance fee.

◆Fan blade with nylon fiber technology and 28 fixed position system, persistent.

◆The principle of downstream air shutters, no power, no need to switch, and can effectively prevent rain.

◆Project and installation does not occupy any space, any place can be installed.