GD40-250,IRGD40-250A,IRGD40-250B,
IRGD40-100(I),IRGD40-125(I),IRGD40-125(I)A,IRGD40-160(I),IRGD40-160(I)A,
IRGD40-200(I),IRGD40-200(I)A,IRGD40-250(I),IRGD40-250(I)A,IRGD40-250(I)B,
IRGD50-100,IRGD50-125,IRGD50-125A,IRGD50-160,IRGD50-160A,低转速立式管道离心泵
IRGD50-200,IRGD50-200A,IRGD50-250,IRGD50-250A,IRGD50-250B,
IRGD50-100(I),IRGD50-125(I),IRGD50-125(I)A,IRGD50-160(I),IRGD50-160(I)A,
IRGD50-200(I),IRGD50-200(I)A,IRGD50-250(I),IRGD50-250(I)A,IRGD50-250(I)B,
IRGD50-315(I),IRGD50-315(I)A