SB,SBI,SBN Series SB, SBI and SBN vertical multistage centrifugal pumps are powered by standard electric motor. The motor output shaft directly connects with the pump shaft through a coupling. The pump unit consists of optimized hydraulics, various types of connections, an outer sleeve, a pump head, pump base, four stay-bolts and various other parts. The pump base has suction and discharge ports on the same level (in-line). This in-line design provides a more compact design and easier installation. All pumps are equipped with a mechanical shaft seal of the detachable cartridge type. SB, SBI and SBN pumps are available with various stages and capacities to provide customers a choice of models for many applications.