Erica,
I can’t tell you what a relief your saying that is. I hate doing things in a amateurish way… or a hack job, for lack of a better way to express it. But this seems like a situation that may justify it…
I’m thinking something like this might be an option
BSPP and NF threads are very close. Given that the seal here is via a copper gasket you might get away with NF insert - but do you have to seal the inserts? I suspect yes, and that may be difficult.
Terry, I have the tap and did run it through, and while I get some bite I’m not comfortable the amount will hold over the long term.
But thanks for the thought!
It probably would work yes. That is a Helicoil. I just did a quick search and you’ll need to overdrill and tap in order to insert it. It doesn’t just thread into it as is, so you’d need to spend a few pounds on a kit.
https://www.chronos.ltd.uk/acatalog/BSP-INDIVIDUAL-SIZE-THREAD-REPAIR-KITS.html
Bob I had the same problem about 8 years ago - did the tap and had a few threads bite. It is still working, but I know about comfort!
Geoff Good enough for me.
Oh! That’s interesting… I’m going to look into this…
Thanks
If you do decide to us it the most important thing is to spend time making sure that the alumin(i)um is squeaky clean so that it bonds properly. Good luck.
You could tap the manifold for 1.2" BSPP and epoxy a reducer in. Then use your recently acquired nipple as designed.
http://www.britishmetrics.com/shop/Reducing-Bush-BSPP-Nickel/Bushing-1-2-x-3-8.html t
EDIT: Thinking about where this goes you may not have room to put in a larger diameter reducer.
3/8 NPT is slightly larger and nearly the same pitch. Could tap with that…but could’t use your already purchased barb. But NPT brass barbs are easily found.
You can use Right Stuff gasket sealer in the threads. Its a silicone sealer that dries like a rubber.
No, it will not blow out even if the threads are completely gone.
I know the offending piece has been successfully extracted so the timing of this post couldn’t be worse but I just saw this on youtube: mini-ductor from Snap On
It “says” it won’t heat the adjacent metal
Ouch 450 bucks, pretty cool though. It would be great if you could rent them.
Have a look on Banggood. You can get them fully assembled, or just the bits of electrickery to make one yourself.
Congrats on winning the battle.
I have used these E-Z LOK inserts a few times and think they would work for your “wet” application.
https://www.ezlok.com/e-z-lok-solid-wall-threaded-inserts-carbon-steel
Now the challange is off course to find a store that will sell you one. I have a selection but don’t think any in your size. I’ll check later and let you know. If I have one, I will certainly sell one to you.
Cheers … Ole
Hi Ole,
Thank you for your kind offer! Unfortunately you are right, they won’t fit as the threads on the adapter are BSP 3/8-19.
But much appreciate the effort!!
Robert
Are these what you are looking for?
So I’ve been considering the options.
While my preference is number 2, since I can’t seem to find any without waiting a week, I’m inclined to go with #3. Im thinking it’s less permanent than #1.
My thoughts, since I do have some thread engagement, this would provide a seal like a thread sealer, as well as some additional holding power… and would be easier for someone in the future to deal with if necessary.
Thoughts?
( the “Right Stuff” I found was the grey colored, 1 minute version, if anyone has experience with it I’d be interested in hearing)
