Water tank, filling and pump





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  1. #1
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    Default Water tank, filling and pump

    Hey guys,

    We are busy finishing up an enclosed trailer for a client that is using it for racing karts. He has thrown a small spanner in the works. Originally we would have supplied a water tank that would be inside the trailer gravity feeding a 220V pump.

    He now wants the tank under the trailer out the way. So my first issue is a slimline tank, not a big problem. Issue 2 is how do I now sort out the filling of the tank and lastly, I am assuming I will need a better pump to actually draw the water out the tank??

    Are there by any chance complete kits one can buy with all the plumbing fittings etc etc?

    Any advice and ideas welcome.

  2. #2
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    Default Re: Water tank, filling and pump

    Try the marine guys, a small bilge pump will work and they will have all the fittings.
    Lusted for a Landy but the Pajero was sexier and bigger in the right departments, just like my Missus.

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  3. #3
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    Default Re: Water tank, filling and pump

    I got a pump off takealot.

    Inline 12v. Not fancy, it needs a switch to go on/off and pumps until there is no water.

    However, the best part is I can fill my tank from the same pipe that the water comes out from. Doesn't hurt the pump.

    Was about R400.
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  4. #4
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    Default Re: Water tank, filling and pump

    Use a bilge pump or have the pump at the tank outlet.
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  5. #5
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    Default Re: Water tank, filling and pump

    Quote Originally Posted by Wandering_Soul View Post
    I got a pump off takealot.

    Inline 12v. Not fancy, it needs a switch to go on/off and pumps until there is no water.

    However, the best part is I can fill my tank from the same pipe that the water comes out from. Doesn't hurt the pump.

    Was about R400.
    Thanks guys. Will search for the bilge pump. Do you perhaps have a link for the takealot option?

  6. #6
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    Default Re: Water tank, filling and pump

    Quote Originally Posted by ozosborne View Post
    Thanks guys. Will search for the bilge pump. Do you perhaps have a link for the takealot option?
    http://takealot.com/og/v1/PLID42897252
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  7. #7
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    Default Re: Water tank, filling and pump

    Quote Originally Posted by Wandering_Soul View Post
    Thank you. Looks like I will have to buy all the bits seperately and then put together with a few plumbing bits and bobs.

  8. #8
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    Default Re: Water tank, filling and pump

    a builge pump in not self priming and will have to be in the tank, you need a deckwash pump what we use in the boating industry and they are about R1500 to 2k the one i use is a Shurflo

  9. #9
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    Default Re: Water tank, filling and pump

    this is the equivalent on take alot

    https://www.takealot.com/fiamma-12v-...E&gclsrc=aw.ds

  10. #10
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    Default Re: Water tank, filling and pump

    Sureflo pump works a dream in my Tourer Sp. Pump is above floor.

    Flat 70lt tank under floor. Make sure pipes are food grade and the smoothest curves fill faster.

    lockable inlet is always best.
    Last edited by Robbief; 2019/08/27 at 06:40 PM.
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  12. #11
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    Default Re: Water tank, filling and pump

    Quote Originally Posted by Robbief View Post
    Sureflo pump works a dream in my Tourer Sp. Pump is above floor.

    Flat 70lt tank under floor. Make sure pipes are food grade and the smoothest curves fill faster.

    lockable inlet is always best.
    Most diaphragm pumps will work. They suck . Sureflo pumps are proven to be reliable, and just work. They are more expensive than the many knockoffs out there. But you do not want to be left high and dry in the middle of nowhere, unable to suck out the water from a closed tank because your pump failed.


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  14. #12
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    Default Re: Water tank, filling and pump

    Quote Originally Posted by vidalbum View Post
    this is the equivalent on take alot

    https://www.takealot.com/fiamma-12v-...E&gclsrc=aw.ds
    Thank you!!

    So I am guessing I need to make a breather of sorts in the top of the tank?

    Then just drill into the cap for a filling hose? Any leads on what contraptions to use for filling? And then the big issue, how does one know it is full?

  15. #13
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    Default Re: Water tank, filling and pump

    I'm not as pedantic as others. I fill via my outlet hose. Just use different garden hose adapters.

    I drilled the cap and installed a grommet with a 2m length of hose run up along the roof of my canopy.

    I fill it via any potable water source I can, and fill until I see water in the breather pipe then run pump for 5 seconds to drop level slightly.

    With this takealot pump I use it is able to run on gravity feed or if I press a switch it voomas.

    Some media for attention.

    Disclaimer:
    Its not a neat install. Sadly I'm not DIY gifted and all I care about is does it work. .

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  17. #14
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    Default Re: Water tank, filling and pump

    Quote Originally Posted by Wandering_Soul View Post
    I'm not as pedantic as others. I fill via my outlet hose. Just use different garden hose adapters.

    I drilled the cap and installed a grommet with a 2m length of hose run up along the roof of my canopy.

    I fill it via any potable water source I can, and fill until I see water in the breather pipe then run pump for 5 seconds to drop level slightly.

    With this takealot pump I use it is able to run on gravity feed or if I press a switch it voomas.

    Some media for attention.

    Disclaimer:
    Its not a neat install. Sadly I'm not DIY gifted and all I care about is does it work. .

    Thanks, that helps. So the plan is to have the tank under the trailer, then the takealot pump connected straight by the exit under the trailer like you see in your photos. I figure this way it is close to the source of water and wont suck much air. The question is though, can you then fill using that same pipe? As in can you fill through the pump?

  18. #15
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    Default Re: Water tank, filling and pump

    Do you guys reckon this pump will work?

    https://www.takealot.com/plug-spray-...p/PLID54514707

    It has two bad reviews though!!
    Last edited by ozosborne; 2019/08/29 at 08:30 AM.

  19. #16
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    Default Re: Water tank, filling and pump

    Quote Originally Posted by ozosborne View Post
    Thanks, that helps. So the plan is to have the tank under the trailer, then the takealot pump connected straight by the exit under the trailer like you see in your photos. I figure this way it is close to the source of water and wont suck much air. The question is though, can you then fill using that same pipe? As in can you fill through the pump?
    You can, but you need a breather pipe.

    As per your second post, I would only stick to proven pumps, like the Sureflow pumps. The last place you want problems if you are in the bush, far away from a supply store.


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  21. #17
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    Default Re: Water tank, filling and pump

    I found the best prices for Surflow pump to be C-Dynamics in Cape Town.

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  23. #18
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    Default Re: Water tank, filling and pump

    I have installed 6 S/S tanks in the past inside the wheel arches of the old Hilux Bakkies (this unused space accepts 63 liters water total) plus one tank in the loading bay of a Cruiser. I went the same way as Wandering Soul: when the water flows out of the top vent pipe, the tank is full. VERY IMPORTANT that the vent SHALL be larger than the inlet as the Municipal water of ~600 KPa will burst the tank. The Outlet Valve I install behind the wheel flap to eliminate any mechanical damage. Use a ball or needle valve with a Gardena fitting which stays put. No pumps and no wires/switches to give trouble - use gravity: Keep it simple.

    The smaller the outlet valve the longer the water lasts: people open fully and the water runs to ground - suggest to clear this with your client. If you go the ball valve route, ensure the handle is lockable/latchable as a brush/dog could/will bump it open. Why I prefer a needle valve due to less chance to bump open and is a definite water saver (intentional rotate to activate).

    I will try and send some snappies.

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  25. #19
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    Default Re: Water tank, filling and pump

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  27. #20
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    Default Re: Water tank, filling and pump

    PS: very NB - insure vent pipe outlet tip is high enough (600mm?). Water runs out if parked at an angle on dunes - happened to me (had to relocate the outlet higher up......)

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