Shijiazhuang Tianyuan Pump single-phase asynchronous motor Y2 series Motor high performance Shijiazhuang Tianyuan Pump CO., LtdY2 series motors can ... of beautiful modelling, compact structure, low noise, high efficiency, large starting torque, easy operation, etc.The motors are adopted with F ... insulation system according to international practice, it enhances greatly motor's safety and reliability.