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Title: Operation Of Oil-Free Seal And Bearing Systems For Centrifugal Compressors
Author: Roel R. Lancee
Source: American Gas Association 1987
Year Published: 1987
Abstract: Booster compressors on a natural gas pipeline system have long been plagued by the problems associated with oil entrainment in the natural gas stream and the inherent maintenance problems associated with oil systems. The use of dry gas seals and active magnetic bearings will effectively eliminate the further use of oil systems in gas compression. The paper deals with the history of Trans- Canada PipeLines past experiences with oiifree seals, the theory of dry gas seals and active magnetic bearings, the effects of magnetic bearings on rotor dynamics, and the recent installation and operation of a set of dry gas seals and active magnetic bearings in a booster compressor unit operating on the TransCanada PipeLines system.

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