REXNORD ® OMEGA™ AND THOMAS™ COUPLINGS REDUCE PUMP REPAIRS AT TENNECO REFINERY CASE STUDY Tests at the Tenneco Oil Co. refinery in Chalmette, Louisiana, showed that pump repairs were reduced significantly when pump vibration was curtailed. To reduce vibration, the facility improved pump/motor alignment, instituted regular lubrication practices and replaced gear couplings with Rexnord Omega urethane elastomer couplings and Thomas disc-typ

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