BZ


Pumps with Channel Impeller

Discharge Bore(mm) 80 - 350
Motor Output(kW) 1.5 - 75

The BZ-series is a submersible sewage and wastewater pumps that is designed with a shrouded single/two-channel impeller and wide passages of over 3 inches (76.2 mm) in diameter to minimize trouble due to clogged solids. In addition, as mid to large sized pumps with 22 - 75 kW of drive power, they raise the already high pump efficiency standard of predecessor sewage and wastewater pumps of the Tsurumi brand with even better energy efficiency.

Performance Curves
Model Selection
Discharge
Bore
(mm)
ModelMotor
Output
(kW)
PhaseStarting
Method
Solids
Passage
(mm)
80 80BZ41.5 1.5 Three D.O.L. 80
100 100BZ42.2 2.2 Three D.O.L. 80
100BZ43.7 3.7 Three D.O.L. 80
100BZ45.5 5.5 Three D.O.L. 80
100BZ47.5 7.5 Three D.O.L. 80
100BZ411 11 Three Star-Delta 80
100BZ411H(50Hz) 11 Three Star-Delta 80
100BZ415 15 Three Star-Delta 80

Guide Rail Fitting model available. Refer to the individual catalog.

Performance Curves
Model Selection
Discharge
Bore
(mm)
ModelMotor
Output
(kW)
PhaseStarting
Method
Solids
Passage
50/60Hz
(mm)
200 200BZ622 22 Three Star-Delta 76.2
200BZ430 30 Three Star-Delta 76.2
200BZ437 37 Three Star-Delta 76.2
200BZ445 45 Three Star-Delta 76.2
200BZ455 55 Three Star-Delta 76.2
200BZ475 75 Three Star-Delta 76.2
250 250BZ622 22 Three Star-Delta 90/80
250BZ430 30 Three Star-Delta 80/79
250BZ437 37 Three Star-Delta 80/79
250BZ445 45 Three Star-Delta 80/79
250BZ455 55 Three Star-Delta 90/80
250BZ475 75 Three Star-Delta 90/80
250
-High Head-
250BZ622H 22 Three Star-Delta 76.2
250BZ430H 30 Three Star-Delta 76.2
250BZ437H 37 Three Star-Delta 76.2
250BZ445H 45 Three Star-Delta 76.2
250BZ455H 55 Three Star-Delta 76.2
250BZ475H 75 Three Star-Delta 76.2

Guide Rail Fitting model available. Refer to the individual catalog.

Performance Curves
Model Selection
Discharge
Bore
(mm)
ModelMotor
Output
(kW)
PhaseStarting
Method
Solids
Passage
50/60Hz
(mm)
300 300BZ622 22 Three Star-Delta 90
300BZ630 30 Three Star-Delta 90
300BZ637 37 Three Star-Delta 90
300BZ645 45 Three Star-Delta 90
300BZ655 55 Three Star-Delta 90
300BZ475 75 Three Star-Delta 90
300
-High Head-
300BZ622H 22 Three Star-Delta 90/80
300BZ430H 30 Three Star-Delta 80/79
300BZ437H 37 Three Star-Delta 80/79
300BZ445H 45 Three Star-Delta 80/79
300BZ455H 55 Three Star-Delta 90/80
300BZ475H 75 Three Star-Delta 90/80
350
-High Head-
350BZ622H 22 Three Star-Delta 90
350BZ630H 30 Three Star-Delta 90
350BZ637H 37 Three Star-Delta 90
350BZ645H 45 Three Star-Delta 90
350BZ655H 55 Three Star-Delta 90
350BZ475H 75 Three Star-Delta 90

Guide Rail Fitting model available. Refer to the individual catalog.