Does any one know of something I can run through a long glycol chiller line to fill pinhole leak instead of taking apart the trunk line or replacing it?
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Originally posted by brewmaster 2011 View PostDoes any one know of something I can run through a long glycol chiller line to fill pinhole leak instead of taking apart the trunk line or replacing it?
Can’t you just JB weld or flex tape the outside if its just a pinhole leak? Full disclosure I don’t recommend that. I would say fix it proper and never revisit it again.
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Originally posted by UnFermentable View PostI wouldn’t want anything that would fill a hole in my trunk line also running through my chillers HX. Sounds like a recipe for disaster.
Can’t you just JB weld or flex tape the outside if its just a pinhole leak? Full disclosure I don’t recommend that. I would say fix it proper and never revisit it again.
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10-4 Timm
Originally posted by TGTimm View PostWell, the leak is almost certainly at a fitting. That should reduce the amount of insulation you need to strip.Warren Turner
Industrial Engineering Technician
HVACR-Electrical Systems Specialist
Moab Brewery
The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.
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Put some dye in your glycol and look for the color leaking out. The glycol has to be dripping out somewhere, at least you will have a better idea of the area. I agree with Timm 99% of the time the leak will be at a fitting.Joel Halbleib
Partner / Zymurgist
Hive and Barrel Meadery
6302 Old La Grange Rd
Crestwood, KY
www.hiveandbarrel.com
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As BrewinLou wrote, some marker dye in the glycol is a great aide to finding leaks. It's too easy to mistake condensation for a glycol leak without the dye. We had an old fermenter develop an interior leak from the glycol jacket into the fermenter when it was brewing. If it had not been for the blue dye I use, we might not have noticed that the beer was contaminated with glycol until too late. We caught it on the first sampling from the zwiggle--bright green beer is obvious.Timm Turrentine
Brewerywright,
Terminal Gravity Brewing,
Enterprise. Oregon.
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Color Indicator
Originally posted by TGTimm View PostAs BrewinLou wrote, some marker dye in the glycol is a great aide to finding leaks. It's too easy to mistake condensation for a glycol leak without the dye. We had an old fermenter develop an interior leak from the glycol jacket into the fermenter when it was brewing. If it had not been for the blue dye I use, we might not have noticed that the beer was contaminated with glycol until too late. We caught it on the first sampling from the zwiggle--bright green beer is obvious.
StarWarren Turner
Industrial Engineering Technician
HVACR-Electrical Systems Specialist
Moab Brewery
The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.
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Correct
Originally posted by brewmaster 2011 View Postthe leak only happens when i clean that draft line when it warms up. all the line are wrapped in insulation so i would have to cut it all back to find the leak.
The correct way to insulate fitting junctions is with armaflex sheet or tube cut down one side and split lengthwise. Wrap the spliced area and cinch it down with some large zip ties. This makes it servicable, and iif done correctly works very well. If you are the type who likes to use massive loads of tape all over everything, this is not the correct way to do it.
It needs to be clam shelled and accessible. Much of the matter depends on how cleanly it was originally assembled. You always have to put things together with the for sure idea that they will have to be taken back apart at some time, and possibly sooner than anyone thinks.
StarWarren Turner
Industrial Engineering Technician
HVACR-Electrical Systems Specialist
Moab Brewery
The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.
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Originally posted by brewmaster 2011 View Postthe leak only happens when i clean that draft line when it warms up. all the line are wrapped in insulation so i would have to cut it all back to find the leak.Brewmaster, Minocqua Brewing Company
tbriggs@minocquabrewingcompany.com
"Your results may vary"
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Yes cutting a truck open is a pain but insulation is dirt cheap, buy the armaflex glue as well it is worth its weight in gold. Sets in seconds when applied to both sides and let sit for 20-30 seconds. All of that is cheaper than glycol. Any good plumbers supply house should carry both the insulation and glue.Joel Halbleib
Partner / Zymurgist
Hive and Barrel Meadery
6302 Old La Grange Rd
Crestwood, KY
www.hiveandbarrel.com
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Originally posted by Ted Briggs View PostThis tells me It might not be glycol - could be ice melt or condensation. Dye your glycol but DONT "make it look like auto refrigerant", If I saw that id assume it was not food grade and would have to be dumped and replaced. Red or Blue is a better color, and food coloring works fine.
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Negative Ghostryder
Originally posted by Ted Briggs View PostThis tells me It might not be glycol - could be ice melt or condensation. Dye your glycol but DONT "make it look like auto refrigerant", If I saw that id assume it was not food grade and would have to be dumped and replaced. Red or Blue is a better color, and food coloring works fine.
The Dye used for PPG should be Flourescent Green and look just like automtive fluid, because its the easiest to see in low lighting levels often found a the dark corners of breweries. This is especially the case on grey epoxy floors.You'll simply be able to spot it quicker. This is what is used in Industry and its time tested and effective. if you feel like someone is sneaking in and spiking your system with EG, then better call out the glycol police.Warren Turner
Industrial Engineering Technician
HVACR-Electrical Systems Specialist
Moab Brewery
The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.
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Lol, my only worry about neon green dye in the glycol would be the enviro-nazi that would inevitably see it leaking on the floor, ten minutes before I did. They would be super concerned that the dog they don't own, or the child they don't have could run over there and lick up some ethylene glycol (behind the line they aren't supposed to cross). It would be propylene inhibited, but that is just another big scary word. It can't be less dangerous, obviously. I mean its a chemical!
I would have a blast explaining to them that I need to feed their dog/child a box of Arm & Hammer and shots of pure grain alcohol in order to neutralize the ethylene! Meanwhile, they would puff another cloud of that same glycol into their lungs (but at least they regulated the Diacetyl in it), while watching a news story about people dying of it.
I may sound crazy, but I literally had a lady stop in one month ago to warn me that we were leaking some sort of green liquid across the sidewalk. She was going to call the city to warn them about something dangerous. Of course it was in front of the neighbor, not us, and it was simply algae growing on the sidewalk from a sprinkler system leak. She thought it was nuclear waste because we have shiny stainless tanks inside that she could see from the window and she had never heard of us. Seriously, lol.
I have used a fluorescent blue dye that worked super well. I choose to use no dye currently, simply because it is noticeable on the floor if it leaks. I have a habit of feeling condensate or puddles off the floor to check for caustic, acid, or glycol, so I haven't found the lack of dye problematic. I just mark my chiller reservoir and monitor that as well. Not too worried about leaking into the beer since I religiously measure gravity and chech the chiller reservoir. After all, it is food grade, and therefore if a tiny bit leaks into the beer it may not be a deal breaker depending on your personal standards. If its neon green, you could market it that way!Last edited by UnFermentable; 11-21-2019, 06:48 PM.
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