Silent and Failsafe Overflow System

noob.....
Not to rain on your parade...but stuff WILL get into the overflow - even with teeth .- Making it more difficult to remove unwanted stuff ( by having teeth on the weir) will only serve to make you miserable. The overflow being smooth will not increase the amount of un-wanted stuff in the overflow.
T
 
BeanAnimal said:
Are you measuring the fitting or is it marked as a 1" to 3/4"?

We don't measure PVC pipe and fittings, the numbers we use to designate them are nominal pipe sizes that have little to do with the actual diamters.


A 1" bulkhead takes 1" pipe. A 1" street elbow has a 1" socket (the female side) at one end and a 1" pipe (the male side) at the other. Not we are not talking about the measurements, but the nominal pipe size designation. A 1" x 3/4" street elbow would be called a "reducing elbow".
Click to expand...


1" to 3/4" was marked on the elbow.

I'm going to take the bulkhead out and go to home depot to figure out what's going on. Your saying that a 1" bulk should take 1" pipe on both ends? Because mine will only fit 3/4 on the inlet. May be I was sold the wrong size bulk. I'll keep you posted. Thanks again for the help.
 
OK... Here's what happend. The bulk was the wrong size. It was a 1" bulk that didn't take 1" pipe. The rear of the bulk fit 1" pipe fine, but not the front. That was the whole problem. Took 'em back to my LFS store, showed them what was wrong, and they ordered me some new bulks. Thanks for the help guys.
 
I keep going back and forth between Herbie and Beananimal. I'm having a 24x24x12 shallow tank made. I have to tell the guy where I want the holes drilled. I'm thinking 1 inch bulkheads so how far down would I want to have the holes drilled?
 
Why would you "turn back the clock" on progress?:spin3: The Herbie system works - but does not have the tune-ability, or the silent run capability At higher flow rates that the Bean has. Those are the differences IMO - and I *DO* have both.....

Do you want an internal, or external overflow? What kind of flow rates? Basement or no?



Need more info to be of much help........
 
Would there be a advantage to running a system with a flow of only 500gph Bean or would Herbie be the way to go?
 
Well - the advantage of the Bean is wider range of flow, while being silent. Additionally, an extra margin of safety.

Either system will work. I have used both. But - since discovering the Bean method, I don't do any more Herbie's.

It is just a natural progression in the hobby.

T
 
ok, forgive my ignorance, but im not going to read 61 pages of posts to try and answer all of my questions! first of all, i bought a 90 gal. tank with 4 holes for 1" bulkheads drilled in the back of the glass, they are all on the right hand side of the tank, 1.5" down from the trim ring (center) and spaced 3.5" apart. my thoughts were to designate 2 for return, 2 for drain. i am hoping that i can have one set aside for a gravity feed for my skimmer, which is a recirc that also requires an induction pump. im cheating! The other just goes to the sump with 1" PVC. i have been reluctant to glue anything because this is my first drilled tank experience and dont like repeating my projects due to failure. The return lines are fed by a 950 GPH submersible that goes directly to a SCWD valve, then to the 2 remaining 1" bulkheads with the loc-line and nozzles for tank circulation. i stumbled onto this thread today and saw the overflow box for the first time and am assuming that this an acrylic piece that is custom made. im also assuming that the little strainers that i bought for the bulkheads are a bad idea because of the vortex im getting in the 1" sump-committed line. something's gonna get caught in there im fearing. can one of you drilled tank masters help me out on this one!? Im sure all of my questions wont be answered, but mainly, im concerned with 1) is the gravity-fed skimmer thing ok? 2) is the overflow box pretty much a must? any input would be great. thanks
 
This thread is ment to work with an overflow system that has three drain lines mainly from the sounds of it maybe a herbie style drain system would be better for you unless you want to make 3 of the holes use for this "bean style system" however with you having a 90 gallon tank the 1" bulkhead might pose a problem with this system seeing as how most use 1.5" starting at around a 60 gallon. As far as your other questions I have no idea.

Oh and by the way there is another 40 pages to this thread that you still haven't read it will take you about 3 days to read it if you are really interested in this system and so if you want to read all that you will be a master of it like most who do are.

-Scott
 
jmarkle said:
ok, forgive my ignorance, but im not going to read 61 pages of posts to try and answer all of my questions!
Click to expand...

With all due respect, you could have at least been courteous enough to read the first post in the thread before asking questions.

If you would have taken a few minutes to do so, then you would know what this thread is about. You would have noticed that all of your questions were either answered in the first post or are not relevant to this thread. At this point instead of answering those questions, I am going to ask you to read either the first post of the thread or the article on my website www.beananimnal.com.

Not trying to be rude, but my time is valuable too.
 
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scott26 said:
This thread is ment to work with an overflow system that has three drain lines mainly from the sounds of it maybe a herbie style drain system would be better for you unless you want to make 3 of the holes use for this "bean style system" however with you having a 90 gallon tank the 1" bulkhead might pose a problem with this system seeing as how most use 1.5" starting at around a 60 gallon. As far as your other questions I have no idea. Interesting comment...but the OP 's (BeanAnimal) OWN tank is using 1"....and is a 75 gal - which is same footprint as the 90 - just a few inches shorter. 1" will handle a LOT of water. I would not worry about using 1'' in a larger tank.

Oh and by the way there is another 40 pages to this thread that you still haven't read it will take you about 3 days to read it if you are really interested in this system and so if you want to read all that you will be a master of it like most who do are.

-Scott
Click to expand...
 
I was planning to use the 1" bulkheads (1.5" pvc drains) in a 125 long build. From reading the thread (and believe me I went through the entire thing LOL), this 'felt' adequate'

Would it be advised for me to up the bulkhead to a 1.5" on a 125 gal long? The overflow will be a coast-to-coast type.

This is the arrangement.

-Internal overflow of 72"x2"x6" feeds into 3x ~65mm drain holes in the back wall of the tank.
-This flows into an external 24"x4"x6" 'box' where the 3 pipes are. with 1" bulkheads. From there the arrangement is like Bean's example down to the sump.

If I 'should' go up to a 1.5" bulkhead for a 125gal tank, is it ok to leave the piping at 1.5" as well?


*note:the internal overflow may need to be smaller. it does sound rather large... suggestions?
 
flow rate

flow rate

It is a Mag 18 (1800gph). I have gone back and forth about putting the sump in the basement or under the tank. As a result the flow rate would change a bit in both cases...

Soo, a quick guess based on the Mag 18 flow chart maybe 1375 gph from under the tank, to as low as 900gph from the basement. I guesstimate.
 
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Thanks for super quick response! :) Puts me at ease. I may stick to the 1" bulkheads and 1.5" piping. The flow rate should be plenty as it is. I'll be supplementing with at least a pair of power heads with a wave maker anyhow for some extra turbulence.
 
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