Electric Motorbike,Electric Motorcycle For Adults,Electric Sports Bike,E Motorcycle Zhejiang Luqi Intelligent Technology Co., Ltd , https://www.zj-luqi.comAlkali fluoroplastic dedicated shut-off valve is fully padded closure means (flap) driven by the lifting movement of the valve stem and made along the central axis of the valve seat, in the pipeline is mainly used to turn on or cut off the line of medium, is generally not Use to adjust.