A close up showing a beaded tube. The end of the tube is rolled back on itself to make contact with the copper tubeplate. This helps conduct the heat away and stops the ends of the tubes burning away and cracking.
A close up showing a beaded tube. The end of the tube is rolled back on itself to make contact with the copper tubeplate. This helps conduct the heat away and stops the ends of the tubes burning away and cracking.
Credit: S.Masters, 12/2/17