YYFA series high-temperature single-phase capacitor running motor axialexhaust fan, YS three-phase asynchronous motor axial-flow exhaust fan.
YYFA系列为耐高温单相电容运转电机轴流式排气风扇，YS为三相异步电机轴流式排气电扇。
2
This method is also applicable to other exhaust hoods for axial flow turbo - machines.
本方法同样可用于其它轴流式透平机械的排气缸。
3
WT35-11 comes as an axial-flow roof fan that features low and medium levels of pressure and heavy wind flow and can be geared to the needs of blowing, exhaust and double-rotation reversible mode.