Chemical metering pumps are a critical component in water treatment systems, whether it be for drinking water, public wastewater or industrial effluent disinfection. Of the many pump technologies available, diaphragm and peristaltic are the types most used in these water treatment applications, and each has its own unique benefits and challenges. 

This article will explore the pros and cons of both peristaltic and diaphragm pumps to assist you in choosing the best option for your application.