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GT3E2 Cross-flange Rework for Leakage Elimination | Gas Power

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A cross-flange rework for leakage elimination can address a hot air leakage in the cross-flange area of your GT13E2 gas turbine.

During operation and as start/stop cycles grow, gas turbine casings can begin to deteriorate and become deformed because. Oxidation can cause a loss of surface parallelism and finishing, which results in imperfect contact between mating surfaces. This can create a hot air leakage at the circumferential flanged connection between the combustor and turbine casings (cross-flange).

Benefits of the cross-flange upgrade

A dynamic response improvement (DRI) upgrade can improve your gas turbine’s reaction to grid disturbance and instability and help achieve greater flexibility and reliability.

An exhaust casing spring support upgrade from GE can reduce blade rubbing caused by exhaust gas housing (EGH) sagging, resulting in improved EGH stability and gas turbine efficiency.

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