drain flow calculator I want to figure out

[JMorris271]

I would like to figure out how much flow I should expect out of the pipes through my drains. I have looked online and know they are there but am not able to locate one that I can use. I can find many for pipe sizing and head loss but that is not what I need.
Will some one please point me in the right direction here.

Thanks












iiI

[Bent]

There's one on here somewhere lemme see if I can find it. I had to dust it off when I built my system.

[JMorris271]

There's one on here somewhere lemme see if I can find it. I had to dust it off when I built my system.
Yep. I know there is.I did a search for it using the Search button upon top.:spin2:

[Bent]

Did you find it? I can't seem to.

[JMorris271]

I guess I am not phrasing the request with the right words. Thats why I am asking for help.
Velocity of drains
gravity flow rates
pvc flow rates
3/4 inch pipe flow capacity??

[billdogg]

hth

This testing was done for Durso style drains

Aquarium Bulkhead Tests
Bonus content from the July 2009 FAMA magazine article "Go With the Flow."
By Mike Kirkman and Scott Vallembois

Results:
These results demonstrate that a:
2 inch bulkhead will flow approximately 1350 GPH
1 1/2 inch bulkhead will flow approximately 975 GPH
1 inch bulkhead will flow approximately 350 GPH
3/4 inch bulkhead will flow approximately 165 GPH
Bulkhead Test Data
Bulkhead Size (Inches) Time (Seconds) Flow (gph) Notes
2 133 1353
2 132 1364
2 122 1475 A siphon effect occurred for a portion of the trial
2 133 1353
2 130 1385
2 143 1259 Plumbed with 5 foot horizontal run
2 142 1269 Plumbed with 5 foot horizontal run
2 139 1295 Plumbed with 5 foot horizontal run
2 142 1268 Plumbed with 5 foot horizontal run
2 171 1052 Plumbed with 5 foot horizontal run & intake strainer
2 169 1065 Plumbed with 5 foot horizontal run & intake strainer
2 175 1029 Plumbed with 5 foot horizontal run & intake strainer
2 171 1052 Plumbed with 5 foot horizontal run & intake strainer
1 1/2 184 978
1 1/2 184 978
1 1/2 187 963
1 1/2 182 989
1 1/2 215 837 Plumbed with 5 foot horizontal run
1 1/2 213 845 Plumbed with 5 foot horizontal run
1 1/2 215 837 Plumbed with 5 foot horizontal run
1 1/2 217 829 Plumbed with 5 foot horizontal run
1 1/2 259 695 Plumbed with 5 foot horizontal run & intake strainer
1 1/2 245 734 Plumbed with 5 foot horizontal run & intake strainer
1 1/2 255 705 Plumbed with 5 foot horizontal run & intake strainer
1 1/2 247 729 Plumbed with 5 foot horizontal run & intake strainer
1 188 957 A siphon effect occurred for the entire trial
1 535 336
1 489 368
1 371 485 A siphon effect occurred for a portion of the trial
1 475 379
1 500 360
1 515 350
1 562 320
1 567 317
1 564 319
1 557 323
1 1120 159 Plumbed with 5 foot horizontal run & intake strainer
1 1051 171 Plumbed with 5 foot horizontal run & intake strainer
1 1110 162 Plumbed with 5 foot horizontal run & intake strainer
1 1102 163 Plumbed with 5 foot horizontal run & intake strainer
3/4 489 368 A siphon effect occurred for a portion of the trial
3/4 1084 166
3/4 368 489 A siphon effect occurred for the entire trial
3/4 1094 165
3/4 1094 165

[JMorris271]

Thanks Bill.

[Bent]

I guess I am not phrasing the request with the right words. Thats why I am asking for help.
Velocity of drains
gravity flow rates
pvc flow rates
3/4 inch pipe flow capacity??

I think you misunderstand.

There is a graph somewhere on here with flow rates for different sizes of plumbing. Not the drain calculator that you punch in your gph.

I can't find the stupid thing.

It will tell you the information your looking for. It has gravity rates and also has rates listed at different pressures. Dangit where is that?

[JMorris271]

I seem to remember seeing that calculator a year ago and tried to locate it again but couldn't find it then. As a result of that, I asked this same question and Bill provided that very helpful table he posted.

[Rybren]

You can find Beananimal's calculator here (http://www.beananimal.com/articles/hydraulics-for-the-aquarist.aspx)

[zachfishman]

This is very helpful.

[Bent]

I seem to remember seeing that calculator a year ago and tried to locate it again but couldn't find it then. As a result of that, I asked this same question and Bill provided that very helpful table he posted.

Oh I just noticed in my crisis panic that he posted that.

Carry on.

[JMorris271]

You can find Beananimal's calculator here (http://www.beananimal.com/articles/hydraulics-for-the-aquarist.aspx)

Thanks Rybren. I appreciate your looking that up.

[Rybren]

:wave:

[JMorris271]

ok. I found it. Thanks