... Drive system for pcp oil pump 1.PM Synchronous motor and driver, beltless 2 ... .12KW, 21KW, 31KW,200rpm 3.CE,ISO9001 Stars direct drive system for pcp oil pump (Progressing Cavity Pump ... resist pump blocked by sand, and apply to general oil well, viscous oil well, ... Model No. NAS4D375AYNAS4D2120AYNAS4D2180AY AC Drive head(motor) Model No. 480B12K4-02ANC1540B21K4-02ANC1620B31K4- ...