THE HIGH-PERFORMANCE CRITICAL INFRASTRUCTURE COMPANY Easy to Install | Cost Effective to Deploy | Durable for Decades Contour Solves Corrosion Issue in High-Temperature Line PIPE DETAIL OVHD Line Rehabilitation Online 270° F (132° C) Piping Material: Monel 20-inch (508-mm) diameter line with 1 inch by 6 inch (25 mm by 152 mm) nozzles from welded patches Length: 20 feet (6 m) length Pressure: 45 psi (3 bar) Temperature: 270° F (132° C) Service: Naphtha, HCl, Chlorides SUMMARY Inspections at a US refinery uncovered severe internal erosion in a high-temperature Monel pipeline carrying naphtha and chlorides The Clock Spring Contour repair was designed to manage the pipe hoop, axial and deadweight loads and provide pressure containment on a 6-foot (1.8 m) area of line that was expected to erode

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