Acceptance of composite repair system widens

According to the manufacturer, there are more than 45,000 installations around the world of the Clock Spring pipeline repair system.Click here to enlarge imageSince mid-January 2000, the Clock Spring pipeline repair system has been included under revised wording of US regulatory rules covering pipeline repair. Specifically, several US Department of Transportation (DOT) Code of Federal Regulations (CFR) rules now mention the fiberglass wrap system: The system may be used for dents (CFR 192.309), remedial repair of gas transmission lines (CFR 192.485), remedial repair of gas distribution lines (CFR 192.487), and permanent field repair of gas pipeline imperfections and damage (CFR 192.713...

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