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Old 11-05-2010, 07:56 PM   #1
SenorWanderer
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My eHLT/HERMS build planning is coming along. I'm working out where exactly I'd like all the holes on my keg, how big, what coupling, etc., and I'd like the ability to remove to element quickly without having to unscrew from a locknut and then worrying about getting it to seal when I replace it. I'm thinking a 1" camlock would do the trick. I'd start on the keg wall with a 1" half coupling, and screw in a 1" type B (male NPT) camlock fitting. The element itself would be attached to a 1" type A (female NPT) fitting. Do you see any problems with this? I know that the element is straight thread but I also know it's not an issue. I'd probably use some high temp silicone to seal the element threads into the camlock threads. Will clearance for the element be an issue? Will the heat coming off the element ruin the camlock gasket? Anything I'm missing?!

TIA!

 
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Old 11-05-2010, 09:56 PM   #2
Sizz
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I looked into that possibility when doing my system. I believe I ran into an issue of food grade cam locks not being rated for our temperatures. Just curious, why not tri-clover?

 
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Old 11-06-2010, 02:23 AM   #3
wyzazz
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If you used a silicone oring instead of the standard camlock gasket I don't see why it wouldn't work. Would you be potting the element with JBWeld or the like?
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Old 11-06-2010, 04:03 AM   #4
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It should work....but the type of element could cause issues. If it's ULD or LD it'll be folded back and you may not be able to get it thru the camlock. Give it a try...you can buy the orings cheap from mcmaster. Great idea, wish I thought of that....mine's triclover, but camlocks are pretty sweet too.

 
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Old 11-06-2010, 08:24 AM   #5
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WHY NOT TRI-CLOVER! I haven't even considered it. That's not really true. I think the reason I haven't considered it is because I'm concerned that too much of the element will be tied up in the fittings. This wont be a scorching issue because it's only water that I'm heating, but it's certainly an energy efficiency issue. Should I be considering tri-clovers for this?

Sizz, what was the issue with the temps? I'm looking at the fittings on Pro Flow Dynamics. Is the gasket the failure point? They offer food grade silicone, as well as buna-n, EPDM, and something called Viton Seal. I know buna-n is all good for food, and after reading the wiki on EPDM I'm pretty sure it's all good for food. It also has "outstanding heat resistance". Not too clear on what Viton Seal is, but it appears that it's geared toward automotive applications (get it? geared!)

I will probably pot the element on the electrical side. I'm working on a PVC solution for that end. I'll probably use a hi-temp silicone in the element threads just to guarantee a seal between element and camlock.

Is my thinking correct on the triclovers having too much distance between the base of the element and the keg wall? I'm not set on using camlocks; all i want is a quick release option that provides the easiest use and the most efficiency.

Thanks for helping churn the brain!

 
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Old 11-06-2010, 12:28 PM   #6
wyzazz
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Tri-Clovers will likely be a more expensive solution than Camlocks, and if you're using camlocks for QD's already why not? But as some on her have demonstrated the Tri's are a very viable solution. I wouldn't think that there would be any more space left in the Tri's then there would be in the Camlocks. Swagman could probably even make you one with 1" Straight Threads if you contacted him.

If the 1" Camlock won't work because of size, folded element, etc... maybe a bushing would help to jump that hurdle?
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Old 11-08-2010, 06:56 PM   #7
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I have a 1" triclover in my build (see my sig) and it works great. It's only sunken about 1/2" into the fitting, so no big deal. I think your camlock idea is great....it's probably cheaper and definitely quicker. I used triclovers because my RIMS is made from them.

P.S. Go with silicone, buna-n isn't rated past 200F and may give off bad flavors.

 
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Old 11-08-2010, 06:59 PM   #8
klyph
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How much does a 1" Cam Lock cost? I bet it's a lot more than the tri clovers from St. Pat's.

Edit: turns out, you can get a male/female cam lock for the price of the 1" FPT to 1.5" triclover.
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Old 11-08-2010, 09:26 PM   #9
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The camlocks are certainly cheaper, and probably faster, but I don't necessarily need to have either of those benefits. The element in the HLT will be removed after sparging is finished so I can take my time. I am planning to use camlocks for my hoses but I'm not the type of person who needs all the fittings to match.

I think I'll have to PM the Swagman and see what he can come up with. I'm thinking if I go with tri's then I'd like the tri welded to the keg. I don't see the point in having a fitting there if it's not needed. Thoughts?

 
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Old 11-08-2010, 09:29 PM   #10
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You should ask for a quote on a 1" NPS to 1.5" triclamp. That way you won't have to deal with straight threads in a tapered fitting. I'm curious how much that would cost.
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