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Gas Piping Reinforcement Technology

Pipe repair refers to restoring to the normal function of damaged and leaked delivery pipe by various technologies. The repairing technologies include outer and inner anti-corrosive layer repair. Outer anti-corrosive layer repair refers to repairing according to the assessment report made after testing and assessing the anti-corrosive layer outside of the pipe. The inner repair technology is comparatively difficult. One common repair technology is hose overturn lining technology: after adequately dipping the fiber hose with anti-penetrating film in resin, by using the method of air pressure or water pressure, it will overturn and closely adhere to the inner wall of old pipe, and form a smooth lining after thermosetting molding so that finish the repair of old pipe. Other common methods include: temporarily plug with clamp, polish or repair, support casing, bypass pipe, epoxy resin casing, clock spring and other combined repair method.

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