Resources

MYTH: Factory Supplied Pumps are "Plug and Play" Pumps shipped from the factory are NOT ready to be started when and as received in the field. As an annual ritual I am compelled to remind pump industry people that 99.35% (approx.) of industrial centrifugal pumps do...

Common Pumping Mistakes by Jim Elsey 10/06/2020 Open Impellers True open impellers are not commonly used in industrial pumps because the demands of service require sufficient vane support (webbing or shrouds) to buttress the required torque loads and to maintain the...

Open or Closed Tanks and the Effect on NPSHA Calculations When working through NPSHA calculations for pump applications we need to know if the suction supply tank is open to the atmosphere or not. If it is an open tank the calculation is easy; as we just convert the...