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Both trash pumps, and some if not all rotary gear pumps will have issues running dry for 5 to 10 minutes.
How do i work around this? I walk over to the pump and turn it off. I don't see how it can take 5 to 10 minutes to do that. How come?
Couple other things. For just 300 hives, a Honda or similar petrol driven trash pump is all you need and will work out pretty cheap. But if you want a rotary gear pump then you have to also spend money on a pressure release system and feedback loop. If going to all that expense, you may also be able to install some kind of engine shutoff when the syrup is low in the tank.
But me, I think you should look at your procedures and design something in so it doesn't take 5 to 10 minutes after you see the syrup stop flowing, to shut down the pump.
How do i work around this? I walk over to the pump and turn it off. I don't see how it can take 5 to 10 minutes to do that. How come?
Couple other things. For just 300 hives, a Honda or similar petrol driven trash pump is all you need and will work out pretty cheap. But if you want a rotary gear pump then you have to also spend money on a pressure release system and feedback loop. If going to all that expense, you may also be able to install some kind of engine shutoff when the syrup is low in the tank.
But me, I think you should look at your procedures and design something in so it doesn't take 5 to 10 minutes after you see the syrup stop flowing, to shut down the pump.