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  • Users: ahika
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  1. ahika

    To pump or to use gravity head- which is best and most energy efficient?

    Hi All, I am working with a local council in an area of New Zealand that is very flat, so everything needs to pumped for reticulated water to houses. In this system, water is transferred (using pumps) from a bore and stored in a main reservoir (3,500cu m)where it is treated. From the main...
  2. ahika

    What happens to the extra power when specifying a motor for a pump

    Hi there, This is my first post so hopefully you're able to answer this. A pump supplier recently specified a pump for a duty of 105 l/s and 60m Head- Abs pump power 72.5 kW, NOL Power 75.3 kW. All good. The next step is to match a motor to this pump and the closet matching they have available...

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