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Pumping from an Atmospheric Tank: Pump and Tank Piping (Part 2)

Norm Hall December 19, 2022Pumps, NPSH, Selection and Specification, Monday Morning Minutes

What can be simpler than pumping water from an open or atmospheric tank into another tank or system? What seems simple to many opens a …

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Norm HallBell and GossettpumpsPipingTanks

Pumping from an Atmospheric Tank: Pump Selection and Installation (Part 1)

Norm Hall December 12, 2022Pumps, NPSH, Selection and Specification, Monday Morning Minutes

What can be simpler than pumping water from an open or atmospheric tank into another tank or system? What seems simple to many opens a …

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Bell and GossettNPSHpumpsvariable speedhydrovarNorm Hall
Happy New Year from R.L. Deppmann
Happy New Year from R.L. Deppmann

Net Positive Suction Head (NPSH) Part 5 of 5 – Good Cooling Tower Pump Piping Practice

Norm Hall January 4, 2021Monday Morning Minutes, Pumps, NPSH, Commissioning and Balance, Pumps, Cooling Towers, Pumps, NPSH

Happy New Year 2021! I pray that we all have a healthy year and see the return of normal lifestyles. This final blog in this …

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Net Positive Suction Head (NPSH) Part 4 of 5 – Gauge Readings

Norm Hall December 28, 2020Cooling Towers, Pumps, NPSH, Monday Morning Minutes, Pumps, NPSH, Commissioning and Balance, Pumps

The cooling tower pump calculations are completed, the project is bid, the Bell & Gossett pumps scheduled are awarded and installed. There is a noise …

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Net Positive Suction Head (NPSH) Part 3 of 5 –NPSH Available

Norm Hall December 21, 2020NPSH, Monday Morning Minutes, Pumps, NPSH, Commissioning and Balance, Pumps, Cooling Towers, Pumps

The available cooling tower pump NPSH or net positive suction head is a function of the pan elevation, friction, and temperature. Sometimes the combination of …

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Net Positive Suction Head (NPSH) Part 2 of 5 –Safety Factors

Norm Hall December 14, 2020NPSH, Commissioning and Balance, Pumps, Cooling Towers, Pumps, NPSH, Monday Morning Minutes, Pumps

The Hydraulic Institute (HI) is a global authority on pumps and pumping systems. Think of them as the ASHRAE of pump design and testing. HI, …

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Net Positive Suction Head (NPSH) Part 1 of 5 – Terms and Definitions

Norm Hall December 7, 2020Monday Morning Minutes, Pumps, NPSH, Commissioning and Balance, Pumps, Cooling Towers, Pumps, NPSH

One of the most misunderstood concepts in pump selection for hydronic design is the net positive suction head or NPSH. Problems with NPSH can spell …

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  • Products
    • Overview
    • Pumps and Accessories
    • Boilers and Water Heaters
      • Water Heater Stock
      • Boiler Stock
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
    • Variable Frequency Drives (VFDs)
    • Glycol Solutions
    • Snowmelt Designs
  • System Design
    • Overview
    • Project Gallery
    • Selection and Design Tools
  • Water Solutions
  • Contractors
  • Service & Parts
    • Overview
    • Startup and Warranty
    • Parts
    • Service and Maintenance
  • Education
    • Overview
    • Basic Hydronic Blog Articles
    • Training Opportunities
    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News