CTI Industries, Inc. is a global technical service company that specializes in the restoration of condensers and heat exchangers. With its headquarters in Connecticut, CTI incorporates sales/service centers throughout the world, allowing for quick response times.

The repair techniques used by CTI are based on offering cost-effective solutions for equipment life extension, beginning with the “sleeving” of heat exchanger tubes.

Besides condensers, these patented tube repair techniques have successfully been applied to a wide variety of exchangers - fin-fan air coolers, process shell-and-tube exchangers, hydrogen coolers, HP feedwater heaters and many more.

CTI offers two basic types of sleeving for the repair of condensers and heat exchangers.

For those units suffering from inlet-end erosion, Stress Corrosion Cracking, crevice corrosion or any problems related to the tube-ends, CTI offers its most cost-effective tube repair, the CTI Shield/Seal, also known as a tube insert or ferrule. Although Shields are typically only 6" - 12" long, some applications have required Shield lengths up to 14 feet!

Some exchangers, however, suffer from full-length problems. In this case CTI Full Length Tube Liners™ can be an attractive alternative to that of a partial or full retube.

CTI has been of service to the electric utility, oil refining, commercial marine, chemical and petrochemical, fertilizer, desal and steel mill industries in over 50 countries worldwide.

Alloy Tube Liners Prevent Corrosion In Crude Unit Overhead Condenser

Materials Performance Article

Several years ago, at a BP refinery in the USA, Carbon Steel (CS) finned tubes in a crude unit overhead fin-fan condenser (air cooler) were experiencing excessive corrosion. A pinhole failure in one tube resulted in a partial shutdown of the unit and a reduction of crude oil processing.

The decision was made to retube two (2) units and install CTI Full Length Tube Liners into the new parent tubes. The alloy that BP specified for the Liners was Hastelloy C276, which is much more resistant than CS to the typical corrosion mechanisms affecting the overhead condenser. The mitigation strategy worked and today, six years later, the tubes in the crude unit remain corrosion free.

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CTI Industries is a global technical service company that specializes in the restoration of steam condensor and heat exchanger repair. The repair techniques used by CTI are based on offering cost-effective solutions for equipment life extension, beginning with the “sleeving” of heat exchanger tubes. Besides condensers, these patented tube repair techniques have successfully been applied to a wide variety of exchangers - fin-fan air coolers, process shell-and-tube exchangers, hydrogen coolers, HP feedwater heaters and many more. Watch this new video to learn more.

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