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Throwback: Expedited Vertical Pump Repair & Engineered Upgrade

A critical vertical pump for a 750 MW unit was sent to Hydro South in mid-December 2012 for inspection and repair. The massive pump weighed more than 66,000 lbs. and was 32 feet long and 12 feet tall. When the pump was disassembled, Hydro South’s engineers discovered that a large 42” x 68” section of the discharge elbow was broken, allowing direct flow to bypass the turning section and flow directly into the stuffing box area.

The discharge elbow was made of casted cast iron and could not be welded. A replacement of this size would take around eight months to order and receive. Continue reading