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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums. |
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06-21-2003, 09:52 PM | #1 |
Cooling Neophyte
Join Date: Jun 2003
Location: Brush Prairie, WA
Posts: 9
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Water system flow rates
The newbie is back, again. Just as a general guide what is a good flow rate for an assembled water cooling system with a CPU, GPU, and chipset cooler in it, and a pipe diameter of 3/8? That is, not by pump manufacture guides, but the flow rate from a working system that somebody has built.
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06-22-2003, 08:52 AM | #2 |
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Location: Texas, U.S.A.
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3/8" should serve you well up to 1 gpm (60 gph), and 1/2" will work well up to 2 gpm (120 gph).
Heatercores seem to perform best at ~1.5 gpm, so if you can, you should target that, with 1/2" tubing, of course. |
06-22-2003, 10:08 AM | #3 |
Cooling Savant
Join Date: Dec 2002
Location: Malta
Posts: 495
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Ben just a question for you, when you say 1/2", you mean 1/2" ID or OD?
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06-22-2003, 10:22 AM | #4 |
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1/2" ID, yes.
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06-22-2003, 10:30 AM | #5 |
Cooling Neophyte
Join Date: Jun 2003
Location: Brush Prairie, WA
Posts: 9
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Hose size
Yes, I am thinking in I.D sizes, so its 1/2" I.D.
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06-22-2003, 12:04 PM | #6 |
Big PlayerMaking Big Money
Join Date: Aug 2001
Location: irc.lostgeek.com #procooling.com
Posts: 4,782
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I would guess (just guessing from personal experiences) that something around 40 GPH would be about right for a commercial kit with 3/8" tubing.
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06-22-2003, 11:11 PM | #7 |
Big PlayerMaking Big Money
Join Date: Aug 2001
Location: irc.lostgeek.com #procooling.com
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I was told that even with 3/8" tubing that the newer Swiftech kits are closer to 1.5 GPM. I had forgotten that they now use the Sicce pumps and the quick connects for 1/2" OD tubing. This means that they aren't restricting their tubing nearly as much as a regular 3/8" barb (with 1/4" ID).
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