Gas Turbine Repairs

Frame 7FA compressor blade replacement - gas turbine repairsMD&A is a full-service gas turbine repairs provider. Our one-stop-shop, Turbine-Generator Repair facility is fully equipped with overhead cranes, 100-ton lathe, and all support equipment for inspections and repairs. It also has an elevator system to perform a full gas turbine rotor, and compressor de-stack and re-stack.

Our talented and experienced team has full capabilities for blading, machining, re-bucketing, and more. Our engineers strictly follow effective, time-tested principles that produce sound and superior repair solutions.

Our Gas Turbine Parts Service Facility, called San Antonio Service Center, is an industry leader in gas turbine component repair.  Our facility and team have leading-edge equipment and repair techniques with proven expertise on multiple frame gas turbine hot gas path and combustion components.

MD&A is a worldwide leader in the repair and refurbishment of gas turbine fuel nozzles. Our advanced engineering expertise combined with leading-edge equipment delivers reliable, extended life of new or refurbished fuel nozzle products. Lean manufacturing principles, and a commitment to quality improvement, maximizes customer value.

Within our Turbine-Generator Repair facility, our high speed balance facility is one of the most modern balance facilities for power turbines in the world. Proper balancing of the turbine and generator rotors is extremely vital to ensure proper operation. The facility allows for effective testing to ensure minimal vibrations in any manufacturer’s rotor throughout testing.

This same facility also offers field machining services. Our machining capabilities include the ability to on-site or in-shop repair horizontal joints on turbine casings, rotors, and nearly any rotating or stationary turbine-generator component.

Additionally, MD&A maintains several portable machine shops for use during customer’s plant projects. Shops are contained in portable Conex trailers for easy lifting once we deliver them to your door. Our portable machine shops come stocked with metal grinders, a drill press, lathe, and other handy tools needed to address metals work projects.

MD&A Bearings, Seals and Hydraulics Division has helped many customers eliminate the undesirable effects of oil whip or steam whirl by designing, manufacturing, and repairing elliptical bearings and tilt pad journals. A bearing retrofit can be a cost-effective solution when changes in operational practices or steam path modifications have created an undesirable oil whip or steam whirl condition. 

Troubleshooting the source of differential thrust bearing temperatures can be frustrating and costly, especially if load reduction action is required. MD&A has earned the trust of many customers to design, manufacture and repair tapered land thrust and tilt pad thrust bearings. We offer profiling of fixtures, material upgrades, and performance monitoring instrumentation. 

MD&A Bearings, Seals and Hydraulics Division also offers Rapid-Spares bearing exchange by assuring customers that their bearings are ready to ship, in many instances, even before an outage begins, while also offering bearing refurbishment and complete oil deflector reconditioning.

Here are some case study blogs with specific examples:
Gas Turbine Major and Generator Test & Balance
Tackling Emerging Issues With 7FA Compressor Blade and Vane Replacement
Frame 5 Gas Turbine Rotor Repair

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