flyerdave01 Posted June 2, 2019 Share Posted June 2, 2019 If I have a 15cm diameter by 3 metre high water tank with a non-return one way valve at the bottom attached to a water pump, what size and power of electric pump would I need to pump water to fill the tank? Thanks Link to comment Share on other sites More sharing options...
Bufofrog Posted June 3, 2019 Share Posted June 3, 2019 You did not specify a flow rate so that doesn't come into the analysis. I think since the flow rate can be low it is ok to ignore head losses. So all you need is a pump that can develop a delta P of about 4.3 psi. That is a tiny pump. I looked at Amazon and you can get a 12v DC pump for about $19 that would do the job, it is actually over powered. Link to comment Share on other sites More sharing options...
flyerdave01 Posted June 3, 2019 Author Share Posted June 3, 2019 Thank you. It is a bit of chicken and egg situation regarding the flowrate and I will only know it once I have carried out my experiments. Link to comment Share on other sites More sharing options...
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