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