sunworksco wrote:They have a pump rated a 5psi and 2800ml/m
Therse are circulators more than pumps, 5 psi isnt much
Say you are trying to fill an open top tank in a WTC. The WTC starts at atmos pressure 14.5PSIA. Your pump fills to max 5PSI. that is roughly 30% increase in pressure.
Lets say your required tank volume is 500ml, it will fill in 11 seconds based on 2800ml, however these are impeller pumps so flow will initially be fast then slow up as pressure increases, maybe longer than 11 second total. By my calcs you will need an available volume in your WTC of 1500ml, so a 3" OD cylinder would be minimum 26" long, of which the tank would be 11" Allowing 20% bigger tank to avoid internal spillage. Doo able but needs some planning