With my mill being down, I decided to finally put my lathe to doing a little work.
You may recall the old pressure drop testing I did way back and found the copper elbow being about 1/9th as restrictive as a standard nylon elbow.
Only problem was the worry that the tubing might slip off. Well I fixed that with 7 sharp barbs...
I'm going to make a few while I wait for my mill repair parts...
Updated Pics:
Elbows and Tees:
Note that these are OVERSIZED, actually more like a 5/8" fitting made from 1/2" copper materials.
This oversized barb requires prestreatching with plyers or other means:
Example of 7/16"ID x 5/8" OD Masterkleer on the 5/8" fittings:
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