... well, and sand containing well, etc. Beltless, no speed reducer,low-noise, safety, especially applying to the oil wells ... installation, low cost of one-off investment.All the motor, driver and control cabinet designed by Stars itself, matching ... 1000HX-1500 Servo Driver Model No. NAS4D375AYNAS4D2120AYNAS4D2180AY AC Drive head(motor) Model No. 480B12K4-02ANC1540B21K4-02ANC1620B31K4-02ANC1 Rated Power(KW ...