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Old 10-25-2006, 01:08 PM   #1
Todd
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I'm planning some things for my setup here and I wondered what size tubing everyone uses? I'd like to be able to do a herms type setup with a cooler and I will be pumping to the fermentor. My first thought is 1/2" but would that flow too fast for the mash tun?

 
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Old 10-25-2006, 02:10 PM   #2
Yuri_Rage
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The system I'm patterning mine after (a friend's who's been brewing for longer than I've been alive) uses 1/2" tubing throughout. Flow rate is controlled by varying the amount that a ball valve is opened on the pump output side. That way you can recirculate/sparge slowly, but you have the ability to drain/fill your mash tun and hot liquor tank quickly.
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Old 10-25-2006, 02:20 PM   #3
Todd
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Quote:
Originally Posted by Yuri_Rage
The system I'm patterning mine after (a friend's who's been brewing for longer than I've been alive) uses 1/2" tubing throughout. Flow rate is controlled by varying the amount that a ball valve is opened on the pump output side. That way you can recirculate/sparge slowly, but you have the ability to drain/fill your mash tun and hot liquor tank quickly.

The pressure on the pump won't hurt anything? I guess being magnetice drive it can only build so much pressure right?

 
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Old 10-25-2006, 02:28 PM   #4
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Right, magnetic drives will slip safely if the back pressure gets too high.

I use 1/2" & a valve.
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Old 10-25-2006, 03:04 PM   #5
Todd
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Thanks guys, I'll plan to go with the 1/2" setup. Oh while we are talking about it, is there any reason to use a coupler instead of a nipple to weld into my boil kettle? The valve and my compression fitting would screw right to it and save buying an extra nipple or two.

 
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Old 10-25-2006, 06:13 PM   #6
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No reason other than the fact that a coupler will allow you to thread something into the inside portion as well (false bottom / hops screen). If you have no desire for that, go with the nipple.
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Old 10-25-2006, 06:57 PM   #7
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Quote:
Originally Posted by Yuri_Rage
No reason other than the fact that a coupler will allow you to thread something into the inside portion as well (false bottom / hops screen). If you have no desire for that, go with the nipple.
Why can't I thread stuff on the nipple on the inside? Do all those false bottoms and such have a male thread?

 
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Old 10-26-2006, 01:30 AM   #8
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I suppose it depends on how you do the welding. When I weld stuff like that, I usually wind up grinding the threads down smooth on the portion I want to weld, which would tend to render one half of the nipple un-useable.
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Old 10-26-2006, 12:52 PM   #9
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Quote:
Originally Posted by Yuri_Rage
I suppose it depends on how you do the welding. When I weld stuff like that, I usually wind up grinding the threads down smooth on the portion I want to weld, which would tend to render one half of the nipple un-useable.
I see, I was thinking of using a nipple that was long enough to have smooth pipe already in the middle, maybe a 1.5" one. I'm not sure what I will end up doing yet, need to plan out the entire thing first.

 
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Old 10-26-2006, 02:28 PM   #10
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Quote:
Originally Posted by Todd
I see, I was thinking of using a nipple that was long enough to have smooth pipe already in the middle, maybe a 1.5" one. I'm not sure what I will end up doing yet, need to plan out the entire thing first.
Oh, yeah. Duh. I was thinking of those 1" couplers threaded all the way in on both ends. Certainly a longer one would work.
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