200BNS-B550
A、200– Pump Inlet Size(mm) B、BNS– Sludge Sand Pump
C、B– Vane Number(B : 4 vanes,C: 3 vanes,A: 5 vanes)
D、550– Impeller Diameter(mm)
6BNX-260
A、6– 6 Inch Pump Inlet Size B、BNX– Special pump for sand suction and dredging
C、260– Impeller Diameter(mm)