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Typical Open Tower Piping
Typical Open Tower Piping

Open Cooling Tower Pump Suction Piping Part 3

RL Deppmann July 15, 2024Pipe Sizing, Cooling Towers, Monday Morning Minutes, Pumps, Pumps, Cooling Towers, Hydronic System Design

  We continue to look at air issues and swirling issues in this third segment of cooling tower pump suction piping. We also provide you …

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Pipe SizingPumpsCooling Towersmonday morning minuteshydronic system design
Typical Open Tower Piping
Typical Open Tower Piping

Open Cooling Tower Pump Suction Piping Part 2

RL Deppmann July 8, 2024Cooling Towers, Monday Morning Minutes, Pumps, Pumps, Cooling Towers, Hydronic System Design, Pipe Sizing

Centrifugal pumps find open cooling tower applications are the toughest duty there is in hydronic cooling systems. We are always concerned about the pressure at …

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Pipe SizingPumpsCooling Towersmonday morning minuteshydronic system design

Open Cooling Tower Pump Suction Piping Part 1

RL Deppmann June 24, 2024Pumps, Pumps, Cooling Towers, Plumbing System Design, Hydronic System Design, Pipe Sizing, Cooling Towers, Monday Morning Minutes, Pressure Boosters

Centrifugal pumps find open cooling tower applications are the toughest duty there is in hydronic cooling systems. Pumps do best with piping systems that provide …

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Cooling Towersmonday morning minuteshydronic system designPumps
Typical Cooling Tower Pumping System
Typical Cooling Tower Pumping System

Open System Curves in Hydronic & Plumbing Systems

RL Deppmann June 17, 2024Cooling Towers, Plumbing System Design, Hydronic Design, Pipe Sizing, Hydronic System Design, Pipe Sizing, Cooling Towers, Pressure Boosters, Pumps, Monday Morning Minutes, Pumps

System curves give insight into energy analysis, pump operation, and control setting analysis. Unlike closed hydronic systems, open systems rarely have a system curve that …

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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