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There's your answer! The HVI-5 would work fine.. get the HVI-10 if you ever plan on going bigger.
Sort of but not exactly. What you want is a lot of shearing (Sheering?).. Our pumps run in the 3600 RPM range which is pretty standard. I selected the impeller in our pump design for its high slippage (shearing).. this makes for far superior mixing.
The short and simple answer is yes. Other pumps could be made to work but not as easily or efficiently as a centrifugal.
As far as mixing is concerned, yes.. but most centrifugal self priming pumps are not true self-priming.. they need an initial prime to get going.. and that's the problem.. there's always liquid left in the pump housing... Its not a catastrophic thing but its preferred to have a system that drains completely.
I wouldn't recommend a gear pump.
Murphy's Machines HVI series pumps use off-the-shelf components for the wear items. Our shaft seal and motor can both be replaced via any industrial supply company. No China garbage. Heavy duty cast iron pump, totally enclosed fan cooled NEMA 56C face dual voltage motors. Both items easy to find. Very hard to beat the quality and price of our units. www.MurphysMachines.Com The best Do-it-Yourself Construction Plans on the Internet! Waste Oil Heating - Biodiesel Systems Biodiesel Pumps Made In The USA | |||
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Hi Murphy, Thanks for the detailed answer. Unfortunately I am not in North America. I need to find something suitable locally ... YTK | |||
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In that case the forum at http://www.biopowered.co.uk/forum/index.php will probably be more useful. | |||
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