Stepper pumps, also known as smart digital dosing pumps, are designed to provide precise and accurate chemical dosing with high turndown ratios. These pumps use stepper motor technology to achieve consistent, reliable performance in a wide range of applications. Top brands in this category include LMI Excel XR, Iwaki-Walchem IX, and Grundfos DDA. Stepper pumps are ideal for water treatment, chemical processing, and other industries that demand precision and control in their chemical dosing systems.