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Posted by bob kater on June 10, 2006, 1:32 pm
I don't think it going to be much, bigger worry would be lifting solids.
Most systems like that will use a small holding tank before going to the
holding tank with a float to operate the pumps but those pumps need to be of
the type with a grinding type empeller to break up the solids and a check
valve at the bottom of the lift tank to prevent the pump from doing a lot of
cycling
> We're fixing to go from septic system to lift station. I'm trying to get
> a feel for what size (in hp) pumps we'll need for our holding tank.
>
> The task for the pumps will be to pump upward vertically approx 8'. From
> there, the discharge will dump into the gravity flow sewer line.
>
> What kind of discharge pipe pressure might I expect to see at the top of
> the lift when the pumps are running?
>
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