Method of repairing leaks in steam generator tubes

Details Method of repairing leaks in steam generator tubes Method of repairing leaks in steam generator tubes

B - Operations, Transporting

21

K

26/155

B21K 21/00 (2006.01) B21D 39/04 (2006.01) B23K 20/08 (2006.01) B23P 6/04 (2006.01) F16L 55/00 (2006.01)

Patent

CA 1214033

ABSTRACT A method of sealing leaking steam generator tubes without substantially restricting the fluid flow area by explosively welding a cylindrical sleeve over the degraded area of the tube. The sleeve has a wall thickness of approximately 0.010 to 0.040 inches and a length of about 1.5 to 4.0 inches, the weld occurs over the entire length of the sleeve.

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