DC Submersible Pump

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DC Submersible Pump

Postby Rudeboy » Sun Dec 24, 2017 4:14 pm

Hi,
Has anyone came across DC powered submersible pumps in Thailand (not the bilge pump type), have seen plenty AC ones in the likes of Global house etc but nothing DC, looking to run it from a solar / 24v battery bank, have found a few online of chinese brand shipped from china but guessing quality would be questionable, if anyone knows of anything suitable then post up an links or info,

Plan is to use the pump just on a switch which will fill a storage tank, water from the storage tank will then be pumped using a small 24vdc inline (seaflo) on demand pump which I already have, at the moment I have a small honda petrol (gas for our american friends) pump that I can use to fill the tank but would much prefer a more permanent solution, also during peak times when I'm producing power that is going to waste I would likey use the submersible for irrigation

This is for a project I am currently working on, I will start a new thread with photos etc but currently offshore with poor internet so cannot upload photos.

thanks

Rudi
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Re: DC Submersible Pump

Postby Klondyke » Sun Dec 24, 2017 5:08 pm

Ask at a shop with yacht accessories, They should have small pumps for a leakage water. However, usually 12V.
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Re: DC Submersible Pump

Postby Rudeboy » Sun Dec 24, 2017 5:23 pm

Klondyke wrote:Ask at a shop with yacht accessories, They should have small pumps for a leakage water. However, usually 12V.


Hi Klondyke and thanks for the suggestion, however not much yacht shops up in isaan :lol:

The type you are referring to would most likely be the bilge pump type which are not really suitable for a well pump.
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Re: DC Submersible Pump

Postby Ians » Sun Dec 24, 2017 9:43 pm

What type of submersible pump do you need, submersible is a generic name name and meaningless, you need to be more specific by describing your requirement, is it a borehole pump, or for an open well installation?

Check Grundfos pumps
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Re: DC Submersible Pump

Postby Rudeboy » Mon Dec 25, 2017 4:35 pm

Ians wrote:What type of submersible pump do you need, submersible is a generic name name and meaningless, you need to be more specific by describing your requirement, is it a borehole pump, or for an open well installation?

Check Grundfos pumps



Guess you would class it as a borehole pump then, to fit inside a 4" well casing, similar to shown in photo below,

SQ-Pumps.jpg
SQ-Pumps.jpg (3.97 KiB) Viewed 139 times


will check out Grundfos pumps, do you happen to know any thailand distributors of Grundfos pumps?

thanks

Rudi
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Re: DC Submersible Pump

Postby Sometimewoodworker » Tue Dec 26, 2017 7:12 am

Rudeboy wrote:
Ians wrote:What type of submersible pump do you need, submersible is a generic name name and meaningless, you need to be more specific by describing your requirement, is it a borehole pump, or for an open well installation?

Check Grundfos pumps



Guess you would class it as a borehole pump then, to fit inside a 4" well casing, similar to shown in photo below,

SQ-Pumps.jpg


will check out Grundfos pumps, do you happen to know any thailand distributors of Grundfos pumps?

thanks

Rudi

You would probably be best advised to talk to Amorn as they are solar specialists. Grundfos does have one of that style but probably not in Thailand as it's 50,000 Baht. AFIK Global House, DoHome, Thai Watsadu, HardwareHouse, and ToolPro all can get Grundfos
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Re: DC Submersible Pump

Postby Ians » Tue Dec 26, 2017 9:54 am

Why DC driven, probably better to go with small a
AC generator and AC pump, far more options for you and maybe cheaper.
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Re: DC Submersible Pump

Postby Rudeboy » Tue Dec 26, 2017 6:44 pm

Ians wrote:Why DC driven, probably better to go with small a
AC generator and AC pump, far more options for you and maybe cheaper.



Hi Ian,

Reason was for simplicity, could have the pump wired to my 24v battery bank on a switch and simply turn on when required,

Also looking at other options similar to what you mentioned as need a generator anyway for my build (see build thread) so may just go with this option as would only need to switch it on every couple of days for maybe an hour or so to fill the main tank so no great hassle to pull out the generator when required.

thanks for your input though, appreciated.

Rudi
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