Centrifugal Monoblock Pumps are replacing centrifugal pumps at a number of places because of some of the inherent advantages, such as.Low cost., No centrifugal switch. Flotech Pumps Centrifugal Monoblock Pumps Available in › 0.5 HP to 1.0 HP in single phase., 1.0 H.P. to 2.0 H.more...