Posted by uusrand on April 18, 2000 at 23:50:16:
In Reply to: Leaking mud drum tubes posted by John R. on January 10, 2000 at 08:42:12:
: We have a customer with a 1980's B&W watertube boiler. A group of tube holes in the mud drum all in the same general location at the back of the boiler appear to be out of round. When we installed new tubes and rolled them in, they held fine during the hydro, however in anywhere from a day to three weeks the same group of tubes started leaking. After re-rolling the tubes the problem comes right back. Does anyone have any experience with or recommendations to fix these out of round holes, has anyone ever used a copper or steel sleeve in a similar application ?
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