Terry GAF-2 Steam Turbine : Isomag Bearing Isolators
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Steam Kept Out of Terry GAF-2 Steam Turbine's Bearing Housing With Isomag Bearing Isolators


Water contamination in bearing oil is a common recurring issue for steam turbines in the oil and gas industry. Labyrinth isolators fail to stop condensate from entering the bearing housing as steam dissipates from the carbon box. An Exxon chemical plant in Baton Rouge, LA, has hundreds of steam turbines in operation, and a common maintenance procedure is to drain the water out of the bearing housings. After another failure on their Terry GAF-2 steam turbine, Exxon specified Isomag bearing isolators. It was a hot job, and needed a quick turnaround. Isomag was able to measure, engineer, and manufacture three custom fitted seals for them in less than 48 hours.

Exxon Chemical in Baton Rouge, Louisiana put an end to this issue by replacing the existing labyrinth isolators with Isomag bearing isolators. Since installed in 2015, the end user reports that the seals are running smoothly at low temperatures (Formerly 200ºF running at 4500 RPM) with no evidence of water contamination. The Isomag bearing isolators hold in the force lubrication because it is a positive seal.The old practice of evaporating water out of the oil twice a year is no longer necessary.

A brochure for Isomag bearing isolators for steam turbines can be found here. Also as a reminder, Isomag bearing isolators can be custom made to fit your machine. Contact our customer service team and we will help you find the ideal solution for your needs.

#SteamTurbine #Exxon #CaseStudy #BearingIsolator #BearingProtector #Chemical #chemicalplant #Terry

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