Turbine Rotors Worldwide May Be Victims of Forged Inspection Data - Lexology

2022-09-17 04:35:46 By : Mr. Devlin Zhang

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Japan Steel Works (JSW) is one of the largest manufacturers of power generation equipment parts, including rotor shafts for turbines and retaining rings that fasten the coils of generators. The company supplies these components to numerous turbine and generator manufacturers. Large rotor shafts for high-output power plants contribute to the world’s power generation needs. Rotor shafts used in power plant turbines need to withstand extremely severe operating conditions with high levels of temperature, pressure, and rotation. As power generation capacity increases, larger shafts are required. JSW has one of the largest production facilities in the world and is one of only a few facilities capable of forging the world’s largest-sized rotors. Their rotors and retaining rings are therefore found in power generation facilities worldwide.Japan Steel Works (JSW) is one of the largest manufacturers of power generation equipment parts, including rotor shafts for turbines and retaining rings that fasten the coils of generators. The company supplies these components to numerous turbine and generator manufacturers. Large rotor shafts for high-output power plants contribute to the world’s power generation needs. Rotor shafts used in power plant turbines need to withstand extremely severe operating conditions with high levels of temperature, pressure, and rotation. As power generation capacity increases, larger shafts are required. JSW has one of the largest production facilities in the world and is one of only a few facilities capable of forging the world’s largest-sized rotors. Their rotors and retaining rings are therefore found in power generation facilities worldwide.

In February of 2022, a whistleblower exposed that JSW had been faking the inspection data on these components for 24 years, from April 2002 to February 2022. During inspections, if a component failed to meet standards, JSW would fake the data so that the product would pass. It also altered or omitted some of the measuring procedures to avoid delays in product delivery.

Needless to say, the fact that for the past 24 years, turbine/generator rotors and retaining rings that have failed to meet inspection standards have been incorporated into the turbines and generators of numerous equipment manufacturers and are presently operating in power plants worldwide, poses serious implications and potential risks for all power generation facilities, and their insurers. Recovery specialists, adjusters, engineers, and underwriters who are involved in assessing property losses involving turbines and generators should be aware of this issue.

Online Japanese media reports (in English) can be accessed here:

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