Hydraulic Institute Engineering Data Book Jun 2026

The (often simply referred to as the HI Data Book) stands as a foundational, comprehensive reference manual for engineers, designers, and maintenance professionals working within the pumping and fluid handling industries. As a staple publication from the Hydraulic Institute (HI), this volume provides essential formulas, data tables, and technical guidance necessary for designing, installing, and operating pumping systems efficiently and safely.

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The tool includes several interactive calculators to speed up engineering calculations.

Detailed information on the physical properties of various liquids, including viscosity measurements and vapor pressures for hundreds of compounds. hydraulic institute engineering data book

simplified for quick use.

, serves as a primary, industry-standard reference for pump and system design. It covers critical, standardized data on fluid properties, piping friction, and NPSH calculations to ensure consistent engineering practices. Learn more about these resources on the official Hydraulic Institute website Engineering Data Book - 2nd Edition - Pumps.org

In the field of fluid mechanics and mechanical engineering, few documents hold as much pragmatic authority as the Hydraulic Institute Engineering Data Book . For decades, it has functioned as the "pump engineer’s bible," bridging the gap between theoretical hydraulics and the practical realities of industrial pump application. While the Hydraulic Institute (HI) publishes various standards (ANSI/HI standards) regarding testing and design, the Data Book is distinct in its function as a repository of reference data and calculation methods required for day-to-day engineering decisions. The (often simply referred to as the HI

The book utilizes the Darcy-Weisbach equation as the primary method for calculating pressure drop due to friction in pipe walls:

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The latest iterations of the Data Book have expanded into modern challenges:

This article provides a comprehensive guide to this essential resource, exploring its history, content, practical applications, and its modern evolution in the digital age.

Refineries handle highly viscous crude oils and volatile chemicals. The fluid property tables allow engineers to calculate precise pressure drops across long-distance pipelines, preventing dangerous pressure spikes. HVAC and Power Generation

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