Blogs, Technical, Standards | April 15, 2025
Vertical Diffuser Vane Pump Design Considerations
Key factors for optimal performance.
Standards
Blogs, Standards | April 7, 2025
Basic Hydraulic Loads in Rotodynamic Pumps
An introduction to radial and axial thrust.
Blogs, Standards | March 18, 2025
Understanding the 2024 Updates to ANSI/HI 9.6.1 Rotodynamic Pumps Guideline for NPSH Margin
The revised guideline provides users with NPSH margin recommendations specific to each application.
Blogs, Standards | January 11, 2024
HI 41.8 Program Guideline for Pump System Certification
HI 41.8 program guideline builds on the work done in HI 40.9, which identifies the core learning outcomes for industry professionals, and establishes the formal credentialing requirements for a Pump System Certified (PSC) Level 1 and Level 2 certification, including a standardized examination and renewal process.
Blogs, Technical, Standards | November 9, 2022
ANSI/HI 14.6-2022: Rotodynamic Pumps
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 and used to raise water. ANSI/HI 14.6-2022: Rotodynamic Pumps For Hydraulic Performance Acceptance Tests provides critical performance test procedures for rotodynamic pumps to ensure they are safe to use.
Technical, PSM Newsletter, Standards, Blogs | December 14, 2021
Why Pump Power is Higher than Expected
Maybe you actively monitor amperage and notice your trend lines are rising. Or perhaps your motor overheats and trips or it cannot generate enough torque to start. These are all signs that your pump is drawing more power than it should.
Blogs, PSM Newsletter, Standards | September 23, 2021
Why Pump Pressure Lower Than Expected
Maybe this has happened to you: You install a new pump or put a pump back online after a repair or rebuild. Then you turn it on and the pressure is not what you expect.
Blogs, PSM Newsletter, Standards | June 15, 2021
Condition Monitoring on a Budget
Maintenance strategies can be reactive, preventative, or predictive. Each strategy has its place, but predictive maintenance often provides substantial benefits, such as catching problems before they reduce efficiency or lead to failure.
Blogs, Technical, Standards | March 31, 2021
Three Keys to Getting the Most from Your Reciprocating Pump
Reciprocating pumps date back more than 2,000 years, but it takes skill and knowledge to operate them efficiently. Unlike other pumps that provide steady fluid pressure, the stroke of a reciprocating pump produces a pulsating flow with a peak up to three times greater than its average flow.
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