Re-Engineering Power: The Second-Hand Gas Turbine Market

Re-Engineering Power: The Second-Hand Gas Turbine Market

Second-hand gas turbines provide an entry point for power generation or mechanical drive projects with limited budgets. This article reviews critical components including the compressor, combustors, turbine section, and rotor. Proper selection and hot-section refurbishment can yield reliable operation at half the cost of new equipment.

09

2026

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04

Optimizing Efficiency with Second-Hand Sealing Rings

Optimizing Efficiency with Second-Hand Sealing Rings

Sealing rings (labyrinth, carbon, or brush types) control leakage along turbine rotors and diaphragms. While often replaced new, second-hand sealing rings can be reused if properly inspected. This article explains damage patterns, inspection criteria, and cost-saving opportunities for used seals.

09

2026

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04

Core Component Assessment: The Second-Hand Turbine Rotor

Core Component Assessment: The Second-Hand Turbine Rotor

The rotor is the most valuable and critical part of any second-hand steam or gas turbine. This article describes essential inspection steps, including non-destructive testing of journals, blade attachments, and bore areas. A sound rotor can enable a complete turbine refurbishment at low cost.

09

2026

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04

Inspection and Refurbishment of Second-Hand Turbine Diaphragms

Inspection and Refurbishment of Second-Hand Turbine Diaphragms

The diaphragm is a key stationary component in steam turbines, directing steam flow between stages. This article covers the evaluation process for second-hand diaphragms, including concentricity checks, seal strip wear, and repair options. A well-maintained diaphragm ensures efficiency and reliability.

09

2026

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04

Evaluation and Reuse of Turbine Blades from Second-Hand Units

Evaluation and Reuse of Turbine Blades from Second-Hand Units

Turbine blades are among the most stressed components in both steam and gas turbines. This article discusses how to assess second-hand blades for potential reuse, covering common damage mechanisms, inspection methods, and refurbishment limits. Proper selection of used blades can reduce costs without compromising safety.

09

2026

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04

Practical Considerations for Selecting a Second-Hand Steam Turbine

Practical Considerations for Selecting a Second-Hand Steam Turbine

Purchasing a second-hand steam turbine can significantly reduce capital investment in power generation or industrial drive applications. This article outlines key technical aspects to inspect, including casing integrity, rotor condition, and historical operating data. Proper evaluation ensures reliable performance and extended service life.

09

2026

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04

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Dongfang Borich Electric Company Ltd.

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+8615281010741

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501 Building 72, Cuifeng International Community, 366# Baicao Road, West High-tech Zone, Chengdu City, Sichuan Province, P.R.China

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scdfduchun@163.com

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