Marsh-McBirney & Sigma Flow Products & Services
Hach Flow, a world-class manufacturer of innovative and reliable open channel flow meters, is the
first choice for flow professionals in the wastewater industry. Flow meter innovation, reliability, and accuracy are the hallmark of our products as well as an unrivaled support and sales network. The combined strengths of Hach's Sigma and Marsh-McBirney flow meters provide our customers with over 70 years of flow experience with benefits such as 24/7 Technical Support, Flow Expert Forum, Uptime Guarantees, and more…