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Old 08-28-2008, 07:20 PM
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Default Bulkhead Flow Rate

what is the max flow rate for a one inch bulkhead? I am trying to run 710 GPH and have one hole already drilled into the tank. Is that enough?

Thanks,

Khalid
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Old 08-28-2008, 07:37 PM   #2
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I think that it goes like this.

3/4" - 300 gph
1" - 600 to 700 max
1.5" - 1400 to 1600 max
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Old 08-29-2008, 06:34 PM   #3
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Thanks
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Old 08-29-2008, 06:39 PM   #4
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Quote:
Originally Posted by gazog View Post
I think that it goes like this.

3/4" - 300 gph
1" - 600 to 700 max
1.5" - 1400 to 1600 max
Are you sure about those rates? B/C I have a Magdrive 18 on a 1" drain bulkhead. Just curious. Luna
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Old 08-29-2008, 07:07 PM   #5
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everything I have read say that's the way it is.
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Old 08-31-2008, 07:27 PM   #6
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Thanks Luna

So the one inch drain has worked for you with the Mag 18 with out any issues?
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Old 08-31-2008, 09:07 PM   #7
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Quote:
Originally Posted by Khalid View Post
Thanks Luna

So the one inch drain has worked for you with the Mag 18 with out any issues?
None what so ever, in fact, it can handle more flow. Luna
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Old 08-31-2008, 09:38 PM   #8
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Also enlarging the pipe size of the standpipe will cause more downflow pressure on the bulkhead and you can get more flow out of the tank.
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Old 09-01-2008, 01:21 PM   #9
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Nice!!! That means i don't have to drill any more holes

Thanks Luna, Otty, and Gazog for all your inputs i really appreciate it!
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Old 09-01-2008, 03:23 PM   #10
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For a 1" bulkhead switch to a standpipe of 1.5 to 1.75 or even 2" to allow for more down force on the bulkhead.
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