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Leak seal
Composite repair
Tank roof repair
Pharmacies
$Due to welding dissimilar metals to the tee joint, we observed wall thinning at the weld seam and water leakage from the through holes due to galvanic corrosion. To reduce the progression of wall thinning and the risk of fracture, we adopted our composite repair. Based on strength calculations according to ISO 24817, we calculated the number of layers required to suppress water leakage at the time of fracture, assuming that the entire circumference of the weld seam would fracture. Thanks to the flexible sheet-like carbon fiber woven in four directions, it can be applied not only to straight pipes but also to complex shapes of piping and equipment, such as tee joints. Furthermore, the repair layer is very lightweight, so there is no need to install additional support for the piping. With our composite repair, we were able to reduce the risk of human injury and the risk of unexpected shutdowns at the power plant.$
Introduction of Composite Repair Cases (Power Plants)
Composite Repair Case Study (Oil Refining)

Special repair techniques such as the Farmanite method that "do not stop plant equipment."

Fujifarmanite was established in 1978 as a specialized company for leak repair through a joint venture between Fuji Electric Construction Co., Ltd. (now Fuji Electric E&C Co., Ltd.) and the British company Farmanite. The "Leak Seal" provided by Farmanite addresses leaks of various fluids (steam, air, oil, gas, etc.) in heat sources, power sources, and product manufacturing processes, and is widely used across various industrial sectors. From the perspective of plant maintenance, we have also launched new services such as "Composite Repair," aimed at restoring the strength of thinned pipes, and "Farmaise," which opens stuck valves due to vibration. Our excellent technicians provide high-quality services using the unique technology of the British company Farmanite.