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Pumps & Systems, April 2013

When facilities monitor and measure their processes, they gain valuable information. However, if information is simply gathered and not analyzed and used, then it is worthless.

Pumps & Systems, March 2013

Grooved metal gaskets with covering faces, often called kammprofile gaskets, consist of a metal core with grooves or serrations in each face. They can be supplied with or without a guide ring.

Pumps & Systems, February 2013

How does seal face topography affect mechanical seal performance?
Choosing the right fluids and following best practices for maintenance can significantly enhance system reliability.
What are the important considerations for the proper torque of a valve packing gland?
Spiral groove technology, particularly the latest inside diameter to outside diameter gas pumping arrangement, is key to pump sealing success.

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.
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