Hydraulic Institute Engineering Data Book Site

Problem: A chemical plant reported a $30%$ drop in flow rate after three years of operation. The original design used a generic $C$ factor of 130 for the Hazen-Williams equation.

By: Hydraulic Institute Engineering Staff hydraulic institute engineering data book

The Hydraulic Institute Engineering Data Book is not merely a collection of formulas; it is a living standard validated by decades of pump system performance audits. The engineer who replaces generic assumptions with HI's empirical data will achieve three things: higher reliability, lower lifecycle costs, and a system that performs on day one as it will on day 3,000. Problem: A chemical plant reported a $30%$ drop

The HI Engineering Data Book provides expanded Moody chart data specifically calibrated for aged piping systems. Unlike academic tables that assume "clean" or "new" pipe, HI data incorporates decades of field measurements. The engineer who replaces generic assumptions with HI's

In the design and operation of fluid handling systems, even a minor deviation from empirical reality can lead to significant energy penalties. For decades, the Hydraulic Institute Engineering Data Book has served as the definitive reference for engineers seeking to balance theoretical fluid mechanics with practical, field-verified coefficients.

About the Hydraulic Institute: As the largest association of pump manufacturers and suppliers in North America, the Hydraulic Institute develops standards and data that drive efficient fluid motion.