How tight for worm clamps/fittings? - Home Brew Forums

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Old 02-03-2013, 12:40 AM   #1
kenyabob
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May 2009
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I bought an immersion cooler and want to make sure that I don't get any leaks when I use it tomorrow. I am assembling the vinyl lines and securing them, but I am never sure how tight to screw the worm clamps in. When should I stop?

Also, I've read a few peoples comments that I really need reinforced tubing on my out because I am assuming the extra heat will warp or destroy simple vinyl?

 
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Old 02-03-2013, 12:44 AM   #2
RipUSMC
 
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I had a bad incident with a chiller where I didn't tighten the worm well enough. Once the copper coils heated up from the heat exchange it loosened enough for the pressure of the water to push out the tube. When I came to check on it (yes, I was relaxing, having a homebrew and not at my post in front of the cooling wort) I had an extra 3-gallons of city water in my kettle. I would say, clamp it tight, double clamp it if need be... clamps are cheap, wasting hours brewing then ruining it because you didn't have tight enough hoses is not cheap.
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Old 02-03-2013, 12:59 AM   #3
jflongo
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I clamped mine just to the point where the copper started to bend a little.

 
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Old 02-03-2013, 01:04 AM   #4
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Did you back the hose about an inch over the copper?
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Old 02-03-2013, 08:45 PM   #5
runbad
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They do make a tool that tightens them. I believe to 60 ftlbs

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Old 02-03-2013, 08:51 PM   #6
BetterSense
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The correct answer to any question of this form is "snug".

By the way, i use silicone hose on my chiller. One piece lives on the chiller and the other piece doubles as my everyday siphon hose. The good thing about silicone is that it lasts forever and can be boiled and baked. It also holds its round shape better.

 
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Old 02-03-2013, 08:55 PM   #7
Varmintman
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Quote:
Originally Posted by runbad View Post
They do make a tool that tightens them. I believe to 60 ftlbs
Sweet deal man. Where did you find one of those. By the time I get to cooling the wort I am drunk enough those straight slots get kind of tricky

 
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Old 02-03-2013, 09:09 PM   #8
BetterSense
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60 ft lb is enough for lug nuts for a small car.

 
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Old 02-04-2013, 12:44 PM   #9
runbad
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Lowes has them in the plumbing department. 60 ftlb is enough for alot of things, maybe hose clamps is one of them

 
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Old 02-04-2013, 12:47 PM   #10
Yuri_Rage
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I can almost guarantee that you'll break homebrew rig sized hose clamps by tightening them to 60 ft lbs. They do need to be tight, but a little common sense goes a long way...
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