This nuclear generating station located in north-eastern US has been a customer of Lubrication Engineers since 2007.
The station’s major equipment includes its main unit – a General Electric steam turbine – as well as outboard heater drain pumps, auxiliary vacuum pumps, condenser vacuum pumps and other auxiliary equipment. Station personnel began investigating alternatives to the turbine oil used in its steam turbine and auxiliary equipment due to concerns over oil performance.
Personnel were concerned with discoloration of the station’s oil, which appeared black when examined in a 1l sample bottle. They were also concerned with increasing levels of foam in the steam turbine oil reservoir and in the reservoirs and sight glasses of auxiliary equipment. The foam level in the turbine return oil tank exceeded 12in.
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