Isomag Bearing Seals Prevent Steam Ingress Dresser RLA Steam Turbines
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Isomag Bearing Seals Prevent Condensate Ingress On Dresser RLA Steam Turbine

Updated: Jan 20


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. A Marathon refinery 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 Dresser Rand RLA steam turbine, Marathon 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 magnetic bearing seals for them in less than 72 hours.

Marathon refinery in Garyville, Louisiana put an end to this issue by replacing the existing labyrinth isolators with Isomag magnetic bearing isolators. Since installed in 2011, the end user reports that the seals are running smoothly at low temperatures with no evidence of water contamination. 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 seals 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.

#Dresser #DresserRand #SteamTurbine #OilGas #OilRefiniery #Marathon

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