Applications

Rotary lobe pumps are used extensively in a variety of industries in place of progressive cavity pumps and centrifugal pumps. Rotary lobe pumps have an advantage over progressive cavity pumps because of their small size, low cost maintenance-in-place capability and ability to run dry. They also have advantages over centrifugal pumps because of their ability to handle small diameter solids and abrasives, and ability to pump a measured flow at a constant pressure at any pump rpm with low shear with little or no pulsation. In addition, rotary lobe pumps are more energy efficient than centrifugal pumps. This is important since studies show that energy costs are typically 80-87% of total lifetime pump costs.