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seal the loop?

post #1 of 5
Thread Starter 
hi im putting together a wc loop and some1 is helping me build a waterfall res for it but i dont know if i shold after getting all of the air bubbles out if i should seal it up like a normal loop. i would imagine that you would. but the person helping me says that we need it to stay slightly open because with a waterfall there needs to be air in the res or else it will not work or it will suck the air thats already in there back down through the loop. some advice on this would be really helpfull
    
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post #2 of 5
Waterfall res's are noisy, i personally cant stand the sound of consistant running water. Id just make a nice looking closed res that has no chance of spilling or leaking. Also your friend is right, if you sealed the res with air trapped in it the pressure of a seqled loop would suck air through the loop, or more likely the coolant would catch air when it falls through the waterfall
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post #3 of 5
I run a sealed loop. But there are some EK res tubes that have a vent hole up near the top of the cylinder to allow for air to escape. This will also allow evaporation so I'm not sure if it's a good thing or not. The vent will also allow for pressure equalization which is probably a good thing.
I would only use one of these vented tubes if it was a long one for fear of water spilling out of the hole. But no worries for me because I run a selaed loop.

Here's a picture of one of the tubes that I'm referring to-notice the hole in the upper portion-
Edited by bob808 - 3/14/11 at 9:49pm
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post #4 of 5
Looking at some cyberdruid waterfalls I dont see any openings.

http://www.youtube.com/watch?v=HEWudpKjrvo&feature=player_embedded#at=14

It seems like the outlet for the res is always submerged with water, idk if that makes a difference.
    
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post #5 of 5
Thread Starter 
thanks for the advice so far...im not really concerned with the noise of the waterfall because my fans will be much louder then the water falling. and the outlet will also be completely submerged that's why i thought that it would be ok if it was sealed after getting all the bubbles out of the tubes but i dont really know alot about fluid and air in the scientific matter. but i got a fill port that is going to go at the top of the case so if it turns out that i need it to not be sealed completely i can just not make it really tight so that some air could get through
    
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