Monoblock pump can be defined as the main mover of the pump namely the motor as well as the pump is assembled jointly within the similar shelter. This is one kind of mechanical device where a general shaft includes the revolving parts. ... There is no loss of energy while transmitting energy from the motor to shaft.Centrifugal Monoblock Pump. The centrifugal monoblock pumps are mainly recommended for freshwater as well as fluids which are not chemically violent toward the components of the pump. These pumps are mainly used for agriculture, industrial, civil due to their consistency and strength.