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Rotodynamic pump in an industrial facility following ANSI/HI 9.6.4-2022 vibration measurement guidelines.
ANSI

ANSI/HI 9.6.4-2022: Rotodynamic Pump Vibration Measurements

ByAlexandra Schirn June 26, 2026June 23, 2026

Industrial facilities rely on pumps to keep critical processes running smoothly. When excessive vibration develops, however, pump performance can deteriorate rapidly, leading to increased maintenance…

rotodynamic pump system showing suction and discharge piping according to ANSI/HI 9.6.6-2022 standards for optimal efficiency and reliability.
ANSI | Piping

ANSI/HI 9.6.6-2022: Rotodynamic Pumps for Pump Piping

ByAlexandra Schirn January 6, 2026December 28, 2025

When designing a rotodynamic pump system, the performance of both upstream (suction) and downstream (discharge) piping plays a crucial role in assuring the pump operates…

Rotodynamic pump, adhering to performance tests in ANSI/HI 14.6-2022.
ANSI | Piping

ANSI/HI 14.6-2022: Rotodynamic Pumps

ByAlexandra Schirn September 30, 2022May 22, 2025

In 250 BCE, Ancient Greeks and Romans used a device called the Archimedes screw: the first water pump, which was shaped as a giant screw…

Rotodynamic pumps that follow ANSI/HI 9.6.1-2017
ANSI | Piping

ANSI/HI 9.6.1-2017 – Rotodynamic Pumps Guideline for NPSH Margin

ByBrad Kelechava July 27, 2017May 29, 2025

Head—the height at which a pump can raise water up vertically through a discharge pipe or tube—is an important factor in determining the overall performance…

A rotodynamic pump that follows the requirements set in ANSI/HI 9.6.3
ANSI | Piping

ANSI/HI 9.6.3-2017 – Rotodynamic (Centrifugal and Vertical) Pumps – Guideline for Allowable Operating Region

ByBrad Kelechava July 25, 2017May 29, 2025

During the continuous operation of a rotodynamic pump, a kinetic machine in which energy is imparted to pumped fluid by the means of a rotating…

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