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Old 06-05-2010, 05:43 PM   #1
AquaMan91
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BeanAnimal Overflow


Hey all, so im in the beggining stages of setting up my 72 Bowfront and was looking at overflows. Ive decided i want to use the Beananimal overflow system with a coast to coast overflow, however I am sooo confused! hahhahah. I went of their website and read up on the stand pipe part and i am soooo confuseed!

can somone please explain it!? I am so confused on why there should be three standpipes? and where does the return go? I am sorry if these sound like stupid questions its just that i am used to and AIO system like the biocubes and all this plumbing stuff is entirely new to me lol
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Old 06-05-2010, 05:54 PM   #2
gobbly
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Not familiar with that particular design, but usually you will have one adjusted for a perfect siphon and another an overflow in case of clogs and the like. These can be a pain to keep properly adjusted, so I assume the second pipe is a low volume open drain, which wouldn't cause much noise at all. The perfect siphons are silent.
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Old 06-05-2010, 06:45 PM   #3
Fat Tony
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Basically it is one pipe setup as a siphon that you restrict slightly as to not be able to take all the flow and start flushing. The second standpipe is a typical durso style that an airline is attached to as the vent and is ran back into the overflow at max water height (where you determine that is) and will cause a siphon when that tube is blocked. since the primary siphon handles most of the flow, the secondary durso only handles a small amount and is very quiet. The third is and emergency drain and if the primary gets blocked the secondary turns into a siphon with the emergency drain as a backup to it.... pretty longwinded, but that's how it works. The only other thing I recommend is that your return section in the sump is quite large as it will take a lot of water to start the siphon (i would say no less than 8-10 gallons. Also, this type of system virtually requires an ATO so that your water level is always right in the sump to restart properly if you have a power failure....

HTH
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Old 06-05-2010, 08:38 PM   #4
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Quote:
Originally Posted by Fat Tony View Post
Basically it is one pipe setup as a siphon that you restrict slightly as to not be able to take all the flow and start flushing. The second standpipe is a typical durso style that an airline is attached to as the vent and is ran back into the overflow at max water height (where you determine that is) and will cause a siphon when that tube is blocked. since the primary siphon handles most of the flow, the secondary durso only handles a small amount and is very quiet. The third is and emergency drain and if the primary gets blocked the secondary turns into a siphon with the emergency drain as a backup to it.... pretty longwinded, but that's how it works. The only other thing I recommend is that your return section in the sump is quite large as it will take a lot of water to start the siphon (i would say no less than 8-10 gallons. Also, this type of system virtually requires an ATO so that your water level is always right in the sump to restart properly if you have a power failure....

HTH
tony if the main siphon pipe terminates higher than the secondary pipe in the sump, the siphon will start automaticaly even if the sump levels arent always the same... just FYI
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Old 06-05-2010, 08:40 PM   #5
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hmmm... reallyy... its not so much the issue with it starting right away, more so, having the water volume in the sump to get it to start to beginw ith in the return pump section... my acryli sump did not have the room, so I converted it to be a triple durso instead..bah!
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Old 06-05-2010, 11:56 PM   #6
ddinox64
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I run a Herbie. The precursor to the Bean Animal. Only two standpipes and starts itself everytime after power is disconnected to pumps for servicing.
Not knocking the Bean. But why two emergancy standpipes? Why not three, four or five? Anyway. Excellent choice for a safe, silent and failsafe overflow.
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Old 06-06-2010, 03:40 AM   #7
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there's not two emergency... only one. The send standpipe is used for excess flow to balance out the siphon. If for some reason the primary siphon was to fail then the second standpipe turns into a siphon... with the Herbie, if the siphon is blocked and your backup cannot handle all the flow... you are flooded...
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Old 06-06-2010, 09:15 AM   #8
ddinox64
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I must have done something wrong then. Because ever before bringing it the house, I went through every senario I could think of, blockage, partial blockage and no power and it worked everytime. Had reallife experiences to thanks to snails and over eager fish.

Infact, I blew a breaker just the other day and my sump handled every bit of drain down. When I flipped it, It went back to like nothing ever happened. I also learned that the outlet my tank is on is the same breaker my washer and dryer is on. Didn't know that before. That's helpful to me, not so much for you. Noted that on my panel.

Another great thing. Since no skimmer, I didn't have to worry about bad water from inside the skimmer body leaching back into my system. But since my scrubber was partially submerged. I now have tons more pods in tank.
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Old 06-06-2010, 12:19 PM   #9
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The major benefit of the Bean Animal OF is that you can run substantially higher flow rates that what the plumbing can typically handle. Really there is no other reason to run a siphon based system, other than them being quiet, than for the flow potential. If you exceded the flow capacity of the backup drain, I assure you a flood or a dry sump would have occured.
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