Correct placement of check valve - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 08-06-2009, 04:05 PM Thread Starter
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Correct placement of check valve

I have a brass check valve and my question is where exactly does it go? I only have one...

Does it go after the regulator before the bubble counter or after the bubble counter before the line goes into my in tank reactor (using the Hagen mini diy in tank reactor) does the position of the valve matter?

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post #2 of 6 (permalink) Old 08-06-2009, 04:21 PM
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You want to protect the regulator/needle valve. So it should go between the needle valve and the bubble counter/point of injection.


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post #3 of 6 (permalink) Old 08-06-2009, 04:35 PM Thread Starter
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Thanks... Does it really mater if the valve faces up or down? Above or below the BC?
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post #4 of 6 (permalink) Old 08-06-2009, 05:38 PM
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The position of the valve doesn't matter, only the direction of it (only allows flow to go one way).


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post #5 of 6 (permalink) Old 08-06-2009, 07:53 PM Thread Starter
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Thanks...
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post #6 of 6 (permalink) Old 08-07-2009, 05:39 PM
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I make sure my check valve is at or above the water line, so that if the line ever decides to leak - it won't siphon out the tank - a small tube like that can self prime, too. I'm not aware of any need to protect the regulator or needle valve.
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