National Homebrew Day Giveaway - Enter Now - Weekend Giveaway!

Home Brew Forums > Home Brewing Beer > Electric Brewing > Soldering a 1" Lock Nut to Sanke Keg, with Pictures
Reply
 
Thread Tools
Old 11-21-2010, 08:30 PM   #11
Scut_Monkey
Feedback Score: 0 reviews
Recipes 
 
Join Date: Jan 2009
Location: Pittsburgh, Pennsylvania
Posts: 2,685
Liked 13 Times on 13 Posts

Default

Quote:
Originally Posted by BrewBeemer View Post
I just wipe down after the solder becomes solid the connection still hot then wait until cooled down then wipe with lacquer thinner.
Does lacquer thinner remove the burnt flux? If so I would rather do this than use sandpaper.
Scut_Monkey is offline
 
Reply With Quote
Old 11-21-2010, 09:31 PM   #12
ScubaSteve
Feedback Score: 0 reviews
 
ScubaSteve's Avatar
Recipes 
 
Join Date: May 2007
Location: New Bern, NC
Posts: 3,692
Liked 71 Times on 52 Posts
Likes Given: 11

Default

Actually, flux removes flux. You can get a bit on the cloth and wipe it down. Works great...but you need to wait at least 60 secs so you don't disturb the joint.
ScubaSteve is offline
 
Reply With Quote
Old 11-21-2010, 11:01 PM   #13
BrewBeemer
HBT_SUPPORTER.png
Feedback Score: 0 reviews
Recipes 
 
Join Date: Feb 2006
Location: island, in an atoll
Posts: 3,513
Liked 21 Times on 21 Posts
Likes Given: 7

Default

Quote:
Originally Posted by Scut_Monkey View Post
Does lacquer thinner remove the burnt flux? If so I would rather do this than use sandpaper.
Yes especially when using soldering paste or rosin-core solder that has become a brown and black tar just requires a little rubbing with a soaked rag.
I prefer to clean it off than scratch up the solder and base metal, like plumbers with a damp rag wiping a joint for that clean professional look.
BrewBeemer is offline
 
Reply With Quote
Old 11-21-2010, 11:30 PM   #14
Bobby_M
Vendor and Brewer
HBT_SPONSOR.png
Vendor Ads 
Feedback Score: 3 reviews
 
Bobby_M's Avatar
Recipes 
 
Join Date: Aug 2006
Location: Whitehouse Station, NJ
Posts: 22,550
Liked 1213 Times on 797 Posts
Likes Given: 29

Default

A spritz with water while it's still hot cleans up the flux with steam but a star san soak works well also.
__________________
Welcome to BrewHardware.com. I love you.
New 100% Stainless Steel Heating Elements are IN! ULWD 5500w Ripple, 2000w, 1500w, etc
Chugger Pumps, Pump Kits, Camlocks, Sightglasses, Clear USA made Silicone Tubing, RIMS, Electric Install Parts, etc.
Bobby_M is offline
 
Reply With Quote
Old 11-21-2010, 11:34 PM   #15
Bobby_M
Vendor and Brewer
HBT_SPONSOR.png
Vendor Ads 
Feedback Score: 3 reviews
 
Bobby_M's Avatar
Recipes 
 
Join Date: Aug 2006
Location: Whitehouse Station, NJ
Posts: 22,550
Liked 1213 Times on 797 Posts
Likes Given: 29

Default

Quote:
Originally Posted by Scut_Monkey View Post
I experimented a lot with the flux doing multiple test solders. I really don't think it's the MAPP gas that is to blame. I had the same results with propane and being very particular with my technique. In order to avoid the flux from burning I found heating the parts quickly and thereby melting the solder quickly worked the best. As soon as the solder melted I would quickly remove the heat and cool the part with water which removed a good deal of the burnt flux. Heating it slowly seemed to worsen things for me. Additionally, having a shallow "film" of flux burnt much more easily compared to a small pool of it. In most instances it was impossible to keep the flux from burning and I used the same technique to prep with acetone/sanding etc.

In the end the burnt flux is removed with sandpaper and it works great for our purposes.
After doing a few kegs now, I have a method that works well for me. Pre-heat about a 1 square foot area of the keg where you're going to solder. If you get this up to like 200F, it won't be sucking heat away from the joint once you focus the heat there. Slowly work the heat closer and closer to the joint but never put the flame directly on the area that's fluxed. Basically the MAPP flame is way hotter than flux can take, but the 430F melting point of the solder is not.

If you do burn the flux and you notice it's fouling up your work, drop some flux on it and it will clean up even if you're done applying the solder.
__________________
Welcome to BrewHardware.com. I love you.
New 100% Stainless Steel Heating Elements are IN! ULWD 5500w Ripple, 2000w, 1500w, etc
Chugger Pumps, Pump Kits, Camlocks, Sightglasses, Clear USA made Silicone Tubing, RIMS, Electric Install Parts, etc.
Bobby_M is offline
 
Reply With Quote
Old 11-22-2010, 01:09 AM   #16
ScubaSteve
Feedback Score: 0 reviews
 
ScubaSteve's Avatar
Recipes 
 
Join Date: May 2007
Location: New Bern, NC
Posts: 3,692
Liked 71 Times on 52 Posts
Likes Given: 11

Default

+1...I find it helps to keep the flux in a medicine dropper (clearly labelled flux)....that way you don't go putting a brush on the hot surface and potentially melt the brush/foul the joint.
ScubaSteve is offline
 
Reply With Quote
Old 11-22-2010, 01:23 AM   #17
BrewBeemer
HBT_SUPPORTER.png
Feedback Score: 0 reviews
Recipes 
 
Join Date: Feb 2006
Location: island, in an atoll
Posts: 3,513
Liked 21 Times on 21 Posts
Likes Given: 7

Default

Acid brushes are made with hair not nylon, no melting of contamination problems just the brush into the torch flame this a hand eye control problem.

My radiator repair shop friend always takes a acid brush and applies acid to a wet joint to quick freeze it without any problems for over 50 years resoldering thin brass tubes to tank bases.
BrewBeemer is offline
 
Reply With Quote
Old 11-22-2010, 07:23 PM   #18
hatfieldenator
Feedback Score: 1 reviews
Recipes 
 
Join Date: Sep 2010
Posts: 494
Liked 17 Times on 14 Posts
Likes Given: 3

Default

What do you use on the threads of the heating element to insure there's no leak from the threads? Or do you just use an O-Ring between the element and the lock nut?
hatfieldenator is offline
 
Reply With Quote
Old 11-22-2010, 07:44 PM   #19
Quaffer
Feedback Score: 0 reviews
Recipes 
 
Join Date: Dec 2008
Location: Snohomish, WA
Posts: 488
Liked 27 Times on 15 Posts
Likes Given: 1

Default

The element comes with a rubber gasket that fits in the groove of the lock nut.
__________________
Alcohol, the source of - and solution to - all of life’s problems. H.J.S.
My keezer, My E-brewery build thread, How I soldered 1" nut for heater
Quaffer is offline
 
Reply With Quote
Old 11-22-2010, 08:39 PM   #20
hatfieldenator
Feedback Score: 1 reviews
Recipes 
 
Join Date: Sep 2010
Posts: 494
Liked 17 Times on 14 Posts
Likes Given: 3

Default

Okay, I see...
So how will you cover up your electrical connections to insure they don't get accidentally pulled off or splashed?
hatfieldenator is offline
 
Reply With Quote
Reply


Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Using 1" Camlock for quick release element? SenorWanderer Electric Brewing 31 12-02-2011 01:54 PM
Question about my dryer outlet and a 3500watt element (w pictures) rtt121 Electric Brewing 24 11-10-2010 06:41 PM
Electrical Soldering setups, what do you have/what do you recommend Boerderij_Kabouter Electric Brewing 20 11-03-2010 06:43 PM


Forum Jump

Newest Threads

LATEST SPONSOR DEALS