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Parts

Steam Turbine Rotor Repairs in Saudi Arabia

Steam Turbine Rotor

As a worldwide company, Mechanical Dynamics and Analysis (MD&A) recently completed on-site the installation of new buckets and covers on a Steam Turbine in Saudi Arabia, alongside conducting diaphragm repairs at our facility. We were contracted to perform an inspection and any necessary Steam Turbine rotor repairs. After a thorough inspection, bucket and cover repair […]

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Bucket Replacement for Non-Native Bucket

Bucket Replacement

MD&A was commissioned by a major U.S. utility to conduct a time-sensitive replacement for a non-native steam turbine bucket. The unit had previously received an OEM-supplied bucket upgrade, which created challenges for the customer. Since this was a modified unit, standard documentation was not sufficient. MD&A was able to leverage our deep experience within the […]

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Fuel Nozzle End Cover Insert Life Extension

Fuel Nozzle End Cover Insert

MD&A Fuel Nozzle Services Division can extend the service life of a Fuel Nozzle End Cover Insert. The life expectancy of an end cover increases from the OEM claim of 48,000 hrs. to over 125,000 hrs. with a new maximum of 7 insert replacements per cover. A braze-cracking issue can occur with F-Class DLN 2.0 […]

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D11 Problems & Repair Solutions

D11 Bowed Rotor | D11 Problems & Repairs Solutions

The common GE® D11 steam turbine, a single-casing HP/IP design used extensively in combined cycle applications, is demanding increased focus during normal outages, and ongoing attention for reliability, efficiency, and plant safety. Fundamental reasons are intensified by market-driven calls for continued cycling and low-load operation. Units modified for higher efficiencies and compatibility with 7FA Gas […]

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Onsite Seal Services Video

On-site seal services

MD&A’s highly skilled technicians perform custom installations of packing rings and tip seals on-site using a unique mobile containerized machine shop. Our seal services installation process ensures optimal clearances, maintains design efficiency, and reduces the likelihood of vibration due to seal rubs. View the video on the advantages of our custom fitting of packing and […]

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Gas Turbine Parts Lifetime Extension Clinic

vacuum heat treat furnace, gas turbine parts lifetime extension

Mechanical Dynamics & Analysis (MD&A) can extend the service life of gas turbine components whose OEM service limit has passed or whose configuration is no longer suitable to operate. Significant savings can be realized by opting for lower-cost repaired spares instead of new parts. Elevated temperatures take a big toll on gas turbine components. Repair […]

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Triplet Type Main Stop Valve Upgrade

The MD&A Parts Division Patented Triplet Type Main Stop Valve upgrade reduces solid particle erosion (SPE), thereby increasing valve component life! View the video on the advantages of the main stop valve upgrade and for additional information call MD&A Parts Division today at (518) 885-3199 or use our Contact form.  Solid Particle Erosion (SPE) occurs […]

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Combined Cycle Overhaul with our One-Stop Shop

Combined Cycle Overhaul

Mechanical Dynamics & Analysis (MD&A) recently completed an overhaul at a combined cycle plant consisting of gas and steam turbine majors, a steam turbine generator minor inspection, and a gas turbine generator major inspection. The customer combined scope was the largest single project implemented at the site since the combined cycle plant was commissioned. MD&A […]

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