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

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

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 GossettNorm HallPipingPumpsTanks

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

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

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 GossetthydrovarNorm HallNPSHPumpsvariable speed
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, 2021 Commissioning and Balance, Cooling Towers, Monday Morning Minutes, NPSH, NPSH, Pumps, Pumps, Pumps

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, 2020 Commissioning and Balance, Cooling Towers, Monday Morning Minutes, NPSH, NPSH, Pumps, Pumps, 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, 2020 Commissioning and Balance, Cooling Towers, Monday Morning Minutes, NPSH, NPSH, Pumps, Pumps, 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, 2020 Commissioning and Balance, Cooling Towers, Monday Morning Minutes, NPSH, NPSH, Pumps, Pumps, 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, 2020 Commissioning and Balance, Cooling Towers, Monday Morning Minutes, NPSH, NPSH, Pumps, Pumps, Pumps

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
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
    • Variable Frequency Drives (VFDs)
    • Glycol Installation
    • Snowmelt Designs
  • System Design
    • Overview
    • Project Gallery
    • Selection and Design Tools
  • Contractors
  • Service & Parts
    • Overview
    • Startup and Warranty
    • Parts
    • Service and Maintenance
  • Education
    • Overview
    • Training Opportunities
    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News