Tube Thinning

Ollii

New member
Hey, I have now finished building my PC and have got windows on it etc. however on one of my tubes it is quite thin but it's not a kink in like one place, it's along the entire tube. Now it is only thin after i turn the pump on and water is flowing through it, so when it's off the tube is normal shape and all round and fine but as soon as i turn the pump on, the entire tube thins out. To me this seems like there is an imbalance of water somewhere and the other tubes seem to have much more. Could someone please offer me some advice about this? thanks.
 
Hey, I have now finished building my PC and have got windows on it etc. however on one of my tubes it is quite thin but it's not a kink in like one place, it's along the entire tube. Now it is only thin after i turn the pump on and water is flowing through it, so when it's off the tube is normal shape and all round and fine but as soon as i turn the pump on, the entire tube thins out. To me this seems like there is an imbalance of water somewhere and the other tubes seem to have much more. Could someone please offer me some advice about this? thanks.

Sounds like there could be a flow problem and the pressure is causing the tube to constrict. Just a guess i could be wrong.
 
Sounds like there cold be a flow problem and the pressure is causing the tube to constrict. Just a guess i could be wrong.

It sounds like something similar to that. Anyone got any specific ideas and solutions?
 
What pump are you using, what size tubing is it. is it thin wall or thick wall tubing. what size fittings. which water block. maybe some more info plz.
 
Sorry about not enough info, but Tom was correct. If I run it with no top on or loosely done up its fine and the tubing is normal size, does this suggest that I did the lid up too tightly last time or is it something else?
 
The top 'should' be on, sounds to me like its creating a vacuum, you may have stretched the hose or have a restriction somewhere dude.

By having the top of it just turned it into an open loop and allowed the preasure to dissapate.

Does it do it if you run it with the top on now?
 
The top 'should' be on, sounds to me like its creating a vacuum, you may have stretched the hose or have a restriction somewhere dude.

By having the top of it just turned it into an open loop and allowed the preasure to dissapate.

Does it do it if you run it with the top on now?

There is no tubing stretching of which i can see throughout the loop, and I am currently running it with the top on but loosely and it's fine but if I do it up really tight then yes I'm pretty sure it does create a vacuum.
 
can you post some pictures of the loop please dude

I would do, however lent my camera to my sister as she is down in London. Will try to look for another but pretty sure I haven't got another, irritatingly. there are some pictures from before the actual tubing was on but of where it was going to go if thats any help?
 
From what I've seen on your other posts, I can't see anything wrong.

Is it possible with such a short loop your pump may be too powerful. which pump is it.
 
Laing DDC-1 Ultra 18w.

I use this pump myself on a dual loop. It is a powerful pump.

Could be the loop is too restrictive. 1/2" tubing I take it.
 
Laing DDC-1 Ultra 18w.

I use this pump myself on a dual loop. It is a powerful pump.

Could be the loop is too restrictive. 1/2" tubing I take it.

now that I've loosed the top of the reservoir a bit everything seems to be ok, would the problem of been just the vacuum perhaps?
 
It happens to me in a way.

basically the level in the res drops when the pump is running but it doesn't stretch the tube.

letting a bit of extra air in does relieve it a bit.
 
It happens to me in a way.

basically the level in the res drops when the pump is running but it doesn't stretch the tube.

letting a bit of extra air in does relieve it a bit.

Right, I suppose it's fine now
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thanks for all your help
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