How pipe-joining methods affect system operation.
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An all-inclusive system converts wastewater to consumable water.
Two readers responded to “Thermal Stress Affects Pipe Forces on Pumps”.
Two decades ago, EST Associates, Inc. started operations in Needham, Mass., to provide the New England area with environmental sampling and related monitoring services.
Many pipeline systems throughout the U.S. are in need of maintenance, but this maintenance is often pushed back because there is no way to properly shut down the system.
How many gallons per minute are REALLY flowing out of that pump?
Last month, we discussed applications of low head axial flow pumps.
Have you ever wondered why the pressure exerted by a column of liquid has absolutely nothing to do with its volume or, for that matter, the geometric shape of its container?
Corrosive, aggressive soil had eaten through a 35 year old ductile iron pipeline in the Port of Tampa area, causing a multitude of leaks that could not be repaired.
Columns and Blogs
My January 2013 Pumps & Systems’ column focused on the reduction in motor horsepower (HP) as frequency is reduced by a variable frequency drive (VFD).
How important is the hardfacing requirement below the sleeve bearings in the 416 stainless steel (ss) shaft of a vertical turbine pump used to move condensate? Consider an example with a condensate pump that has carbon bearings.
Brazilian engineer Ricardo Martuscelli emailed me to suggest that I create graphs that illustrate the effects of speed (rpm) and the density of the pumpage on the NPSH requirements of these machines.
