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Country Discussion Topics
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Submersible pump things
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john    Posted 01-08-2004 at 03:57:16       [Reply]  [Send Email]
well I got an idea...got 3 1hp submersible pumps her,,and was wondering what ya'll thought about this...I plan to put one of them in a 8,10,12" pvc pipe about 5-6' in the ground,in a hole that is prob 12" around and lined with brick,,the pipe will have many many holes drilled in it and screen around it to act as a filter,,to this "hole" I will run a culvert from my small pond,the water will run into the hole with the pump and I would use the submersible pump to re circulate the water in the pond...pond is only about 18'x 6' and 3' deep..also there will be a valve on the side of the return line to pump the water out of the pond if need be...do ya'll think this sub pump will do it? too powerful? too weak?..what do ya think?
thanks


Willy-N    Posted 01-08-2004 at 06:47:06       [Reply]  [No Email]
I would sell that pump if it is a 3 hp it is worth a lot of money for the job you want to do. Take the money and buy yourself a high flow cheap trash pump with a float switch on it. That way if the level gets low it will shut off. The trash pump will pump the dirty stuff with no problem. I did what you did with my pond but I was filling mine out of a big hole from water that ran off the roofs and gravel drive way. Kept a 60,000 gal cement pond full that way and used the pond to water the gardens if needed. Mark H.


john    Posted 01-08-2004 at 06:26:14       [Reply]  [Send Email]
thansk all...it is a deep well submersible pump...would it ruin the pump if I impeded the water outlet a bit..say with a valve? also I neglected to mention that the reason for teh screen filter(homemade) is that I have a lot of pigs that use that pond,so it gets kinda dirty....thansk for any and all ideas though!I was thinkin gof puttin git on a timer,say to run an hour every 3-4 hours,then rest???


Craig    Posted 01-08-2004 at 12:29:57       [Reply]  [No Email]
"would it ruin the pump if I impeded the water outlet a bit..say with a valve?"

actually you will ruin the pump if you DON'T impede the flow. That doesn't make much sense does it? heres the explanatation. A centrifugal pump pumps more water if it has less head pressure. with only 10 feet or so of head and no pressure tank, the pump could pump TOO MUCH water. the more water is pumped, the higher the amp draw. the pump could actually overheat.

I think you should sell these pumps and buy a sump pump. but if you wish to use them heres what to do. plumb the pumps using the recommended size pipe. put a valve in the pipe in an accessable area. between the pump and the valve put a pressure gauge. open the valve all the way and start the pump. close the valve untill the pressure reads at least 30 PSI.


Lazy Al    Posted 01-08-2004 at 16:02:36       [Reply]  [No Email]
Thanks Craig ,
My wife made two little ponds with water falls and fountians . We got two third hp sump pumps and had a nice little spot out east of the house .
Well the pumps didn't last very long and I just figured cheap blankady blank pumps . Never dawned on me about them working to hard because of pumping to much water . Next spring I will
do as you say throttle it down and see what happens .
Just like a vacumm, put your hand over the hose and the motor speeds up . Not moving so much air . Right ?
Al


Salmoneye    Posted 01-08-2004 at 09:13:48       [Reply]  [No Email]
That sounds like a better idea...And Deadcarp is right in that you should use it as a 'fountain' type thing...Adds more oxygen to the water than you may think...

I doubt you could hurt the pump by a little restriction...Would act like the pump was at 300 and the static level was at 100...

Why don't you just list them on eBay, and then buy a pump made for what you are wanting to do?

Just a thought, but deep well pumps are not cheap...


john    Posted 01-08-2004 at 10:29:53       [Reply]  [Send Email]
thanks all for the help..it is a 1 hp sub deep well pump(I got 3 of em here)...and I was going to recirculate the water back into the pond,with a fountain type thing in teh middle of the pond..if teh pond gets too low then I can always refill it with the well that is here too....just don't want the standing water to turn too much green is all...I thin it will work,only reason I was going to put the pump in a pipe with a screen was that I didn't thikn thescreen on teh side of teh pump would handle all the dirt and it may damage the pump?..thansk again,,,,


Salmoneye    Posted 01-08-2004 at 10:45:41       [Reply]  [No Email]
Deep well jet pumps will push some nasty stuff without much damage...I doubt that a screen will be able to filter out much gunk, but it should keep large chunks from getting inside it...

I still say sell one or two and buy exactly what you want/need to do it 'right'...


deadcarp    Posted 01-08-2004 at 05:33:49       [Reply]  [No Email]
if you're looking mainly to recirculate the pond, why not put the pump right in the thing and let it blow in a kinda fountain? that will aerate the water and clean it some. when you decide to drain it, just run a hose/pipe over the edge -- :)



Sid    Posted 01-08-2004 at 05:12:18       [Reply]  [No Email]
Pond is three foot deep hole is five or six. How are you going to keep the pond from draining when the pump is not on? I think that a three HP pump would be way to fast for a circulating pump you are talikg several gallons per minute. I would think the electric bill alone would pay for a circulating pump designed for thes little back yard ponds and they would not need any digging or a culvert to drain the pond.


Huh?    Posted 01-08-2004 at 05:09:16       [Reply]  [No Email]
You talking a 1 horse deep well pump that looks like this?

Or a 'sump pump' that looks like this?

Either will work to circulate water, but neither is meant for continuous duty...The deep-well jet pump will push serious water at serious pressure though...The Flotec sight has garden pond pumps that might better serve for continuous duty...

I do really like your idea for planting the pump though...


calypso    Posted 01-08-2004 at 05:09:02       [Reply]  [Send Email]
I think a pump like that will suck the water out of the hole too fast. It doesn't sound like that setup will let the hole recover fast enough. It is overkill for sure - but what you have on hand. A shallow well jet pump would be the ticket there - just run the pipe in the pond and pump away. You can get those jet pumps pretty cheap. I would look into this route.


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