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Posted by John on June 28, 2008, 4:34 pm
>
>
>
> > If the ejector doesn't fit thepumpbody, connect it to the body with sho=
rt
> > lengths of pipe, such as 1 foot long pieces. It will work the same as
> > actually connecting it with thepump.
> > Saves all the double piping, which you don't need.
>
>
.
>
> > > Hi folks,
>
> > > I'm going to install a lake water system at my new cottage and part o=
f
> > > that is re-using a Duro 1/2 hppumpfrom a friend. It was set up at
> > > his place in a deep well application with the ejector / venturi unit
> > > in his well using a two hose connection between the well and thepump
> > > inside his cottage.
>
> > > His handyman disposed of the ejector so I ended up buying a new
> > > universal ejector / venturi unit but it doesn't fit on thepumpbody,
> > > as one would do in a shallow well/lake application like mine (15'
> > > lift).
>
> > > The question is whether or not I should use a double pipe to have the
> > > ejector in the lake near the foot valve, or can I just hook it up nea=
r
> > > thepumpand have just a single pipe to the lake. Are there any
> > > considerations with priming etc?
>
> > > Your advice is greatly appreciated,
>
> > > John
>
> > With a 15ft lift you do not need an ejector. =A0Single pipe works fine
> > with a footvalve.
>
> > Priming? =A0Keep your suction pipe as near vertical as possible with th=
e
> >pumpas near the lake as you can get. =A0The closer to horizontal any
> > section of the suction pipe is, the more priming problems you will
> > have.- Hide quoted text -
>
> > - Show quoted text -
>
> We used a Duropumpwith about a 12 foot deep well for about 10 years.
> One of its characteristics was that, from that depth, it was self
> priming.
> The venturijetunit was mounted right on thepumpand there was a
> single pipe down the well almost immediately below. But we understood
> from the instructions that the venturi could have been detached and
> placed down a deeper well using a two pipe system.
> With a 15 foot or less lift a single pipe may be fine; although you
> may have to prime thepumpfirst time?
Thanks all - I'll connect the ejector with short pieces of pipe. A few
other people confirmed that with such short lift the pump will have no
problem getting strong suction right off the bat.
John
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