fbpx

Parts

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

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 […]

Read More

Steam Turbine Nozzle Chambers and Casing Weld Repairs

Repaired Flow Guide Installed and Upper Half Casing Ready for Final Assembly Check

Mechanical Dynamics & Analysis (MD&A) performed Nozzle Chambers and Casing Weld Repairs on a 580 MW Westinghouse® Steam Turbine and returned the equipment ahead of contract schedule. Upon initial examination, significant issues were revealed with the HP inner casing, nozzle chambers, and selected components, all critical for proactive maintenance and long-term operation. This 3600-rpm machine […]

Read More

Rapid Steam Turbine Replacement

Figure 6. IP/LP Rotor Assembly Installed at the Power Plant

Mechanical Dynamics & Analysis (MD&A) completed a comprehensive and rapid steam turbine replacement project in record time after the unit experienced a catastrophic failure event, requiring the replacement of the entire steam turbine and auxiliaries. THE CHALLENGE:   The subject power plant is an important electrical generating facility in the country it is located within.  Returning the […]

Read More

Portable In-Situ Air Flow Test Stand

Mechanical Dynamics & Analysis (MD&A) announces Portable In-Situ Air Flow Test stand capabilities that allow for immediate and conclusive data on gas turbine nozzle performance. This flow test apparatus provides efficient gas turbine air/gas flow analysis and is offered by MD&A Fuel Nozzle Services Division/ Integrated Combustion Solutions (ICS). The typical call to action is […]

Read More

Contact

Submit the below form or visit our main 24/7 Contact & Locations page.

  • This field is for validation purposes and should be left unchanged.