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  • Users: Nutzman
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  1. Nutzman

    Wastewater Wetwell bellmouth annular velocity

    Hi all, I have a number of sites where the pipework was sized to cater for a flow on the day. Thanks to growing populations, the station needs to be upgraded. It's easy to increase pump and pipe sizes "in-station" to cater for the increased flows. However what is often ignored is the pipework...
  2. Nutzman

    Parallel pipe

    Good day all, I have a current site, where a single pump, pumps into a "common" header. The header splits into two equal sized, same material, same length, same elevation pipes. Each pipe discharges into a separate tank. I've searched back on previous threads, and the closest I can find is...
  3. Nutzman

    Domestic air source heat pumps, UK

    Good day all, There has been a lot of hype in the media of late regarding the use of heat pumps versus gas fired boilers. There are heaps of articles giving journalist "level" information. However on trying to put some numbers against each "technology" - heat pumps vs gas boiler, I'm coming up...
  4. Nutzman

    Calculating system curve with different pipe sizes

    Good day all, I'm sitting with a problem, in that I have a piping system in which the pipe system has different pipe diameters for different "parts" of the system. I have an 80mm line, branching off into a 25mm line, as well as a 32mm line. Both (branches)have different flow and head...

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