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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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07-10-2002, 07:42 AM | #1 |
Cooling Neophyte
Join Date: Apr 2002
Posts: 56
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Eheim 1250 and 3/8 tubing
An Eheim 1250 comes with 1/2" barbs but I want to use 3/8" tubing. Could somebody manade to fit 3/8 tygon tubing on 1/2 barbs (just for an Eheim 1250)? Or I need an adapter?
Thank everybody. |
07-10-2002, 08:12 AM | #2 |
Thermophile
Join Date: Mar 2001
Location: France
Posts: 1,221
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Tygon or silicon should strech enough.
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07-10-2002, 08:53 AM | #3 |
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Most people here that have tried it report that it's very hard to do, but that it is possible.
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07-10-2002, 10:07 AM | #4 |
Cooling Neophyte
Join Date: Apr 2002
Posts: 56
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The problem is - I believed a paper. It says that both barbs are 1/2. But actually only outlet is 1/2"=1.27cm. Inlet is 1.36cm and I cannot fit my 3/8". Maybe to warm the tubing?
Thank you everybode |
07-10-2002, 10:58 AM | #5 |
Hottest Stank of them All
Join Date: Mar 2002
Location: Washington, DC area
Posts: 533
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yeah, one of the barbs is really large... It stretches the 1/2 a good bit. Me thinks 3/8" would be a real biatch.
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Does a radioactive cat have 18 half lifes? --Kenny my pimpin' rig: ...previously poorly cooled... 486DX-2 66mhz @ 75mhz, 4Mb ram, shared, 256Mb hard drive Onboard VGA, watercooled, of course 16-color monitor, labtec speakers, 28kbs USRobotics modem Windows XP (think about it) Maze 3, DDen GF3 block, Eheim 1250, econoline van HC, 1/2" hose w/ 5/8" fittings Comair 172mm fan |
07-10-2002, 12:34 PM | #6 |
Thermophile
Join Date: Jun 2001
Location: The deserts of Tucson, Az
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The 1250 has threads on it, so you could just buy a 3/8 barb and add it.
Or have a few inches of 1/2 and then a reducer. |
07-10-2002, 12:44 PM | #7 |
Cooling Savant
Join Date: Aug 2001
Location: KS
Posts: 374
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Just a quick q, is the 1060 and 1048 threaded as well? Ive been wanting to upgrade, but not the tubing size...
Thanks
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07-10-2002, 03:32 PM | #8 |
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Go to your local hardware store and get nylon 3/8 to 1/2 hose fittings and a couple of clamps. Add 1 ft of 1/2 hose for spacers and you're gold. It might help water feed through the pump (lowering it an equal amt in resistance on the other end) and prevent internal turbulence (which lowers flow and raises heat).
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07-10-2002, 03:37 PM | #9 |
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Just as a side note, I think it'd be better tu use 1/2" tubing, with an Eheim 1250. What's the limitation here?
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07-10-2002, 03:46 PM | #10 |
Thermophile
Join Date: Mar 2001
Location: France
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MeltMan: all eheim pumps are threaded and use adaptors to connect hose.
The stock 1048 comes by default with 2x 1/2" The 1250 with 1x1/2" and 1x3/4" I don't know for the 1060 (go check eheim.de ) All are perfectly leak proof thanx to o-rings (for Eheim parts, for that matter) so swapping connectors is child's play. |
07-11-2002, 10:25 AM | #11 | |
Thermophile
Join Date: Jun 2001
Location: The deserts of Tucson, Az
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Quote:
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07-11-2002, 10:33 AM | #12 |
Cooling Neophyte
Join Date: Jul 2002
Location: Twin Cities
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Tygon or silicon stretches fairly easy if you put the end of the hose in hot water...but you have to hurry and it is very pliable...
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07-11-2002, 10:50 AM | #13 |
Cooling Savant
Join Date: Aug 2001
Location: KS
Posts: 374
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Thanks Gmat, I think i will be upgrading and giving the Rio1400 to my little brother.
Im tired of listening to his "hairdryer" sounding delta 60
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07-11-2002, 12:21 PM | #14 |
Cooling Neophyte
Join Date: Apr 2002
Posts: 56
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I fitted tygon 1/2 on inlet of Eheim 1250. Can say - it was difficult enough.
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07-11-2002, 12:23 PM | #15 |
Thermophile
Join Date: Mar 2001
Location: France
Posts: 1,221
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Remember these are German products. Like everyone around the world they use metric units... The 1250 has 1x12mm and 1x16mm connectors.
(edit) I just checked Eheim site. 1048: 2x13mm (they're a tad bigger, because of the conical shape) thats about 1/2" 1250: 1x13mm + 1x17mm (that would be 1/2" and 3/4") 1060: 1x18mm + 1x28mm Last edited by gmat; 07-11-2002 at 12:35 PM. |
07-11-2002, 01:03 PM | #16 |
Pro/Vendor
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Nomad2000 - For the suction side of the Eheim 1250, you need a 1/2"NPT (thread size) to 1/2" (tube size) fitting. This one here:
http://www.cooltechnica.com/Merchant...egory_Code=TAA make sure you use teflon tape, because it doesn't have O-Ring like the original ones. Tygon R-3603 is not as flexible as silicone, because it's still PVC based tubing. But like suggested earlier the hot water trick works. Bruce www.cooltechnica.com Last edited by dacooltech; 07-11-2002 at 01:53 PM. |
07-11-2002, 08:12 PM | #17 |
Cooling Neophyte
Join Date: May 2001
Location: Cincinnati, OH
Posts: 93
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It will, with 3/8" silicon tubing. I did it. Use hose clamps, as always... also realize that it will at least temporarily (more likely permanently) stretch the ends of the tubing.
If you put non-metric fittings on, they will not be perfect. I used teflon tape and used goop around the junction of the barb and pump. I'm not sure how this would work for the outlet barb, since it's somewhat recessed. This was all on a 1250, btw. |
07-12-2002, 03:32 AM | #18 |
Cooling Neophyte
Join Date: Apr 2002
Posts: 56
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I have tygon with thick walls - it is softer. For 1250 I could fit 3/8 - outlet and 1/2 - inlet.
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07-13-2002, 04:50 PM | #19 |
Cooling Savant
Join Date: Feb 2002
Location: SWEDEN(cold...)
Posts: 195
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ehm. a little thaugh.
eheim 1250 + 3/8 size tubing = not a good idea. id rather go for 1/2 inner diameter and hoseclamps on it.
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