We understand the importance of planning for major gas turbine overhauls, and our team can help coordinate and prepare for these planned outages. However, we also understand that forced outages can happen, and when they do, quick and efficient engineering responses are essential. Our experts are always available to provide fast and effective solutions for any issue that may arise.

Our gas turbine services experts are dedicated to helping power generation plants prepare for both planned and unplanned outages. Our project managers and technical directors are available 24/7 to provide the necessary technical and engineering support. Our team has the knowledge and expertise to address all types of turbine and generator issues, ensuring that your power generation plant runs smoothly and efficiently.

Why choose MD&A?

For over 40 years, our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions.

MD&A is easy to work with. We provide immediate access to expert help when you need it, where you need it. Around the corner or the globe, we ensure prompt, thorough communication and follow-through. For every repair job, large or small, the speed and effectiveness of our response team is matched only by the depth and breadth of our engineering expertise.

Find out today why so many power generators use MD&A to maximize operational effectiveness.

The Overhaul Gas Turbine Services capabilities that we offer include the following:

1.     Technical Direction

We have experienced technical directors and project managers who provide expert assistance in challenging cases of turbine-generator engineering.  These experts can handle complex technical issues in many different types of OEM equipment.

2.     Outage Planning

Through MAPS or Maintenance Advanced Planning Services, our experts evaluate and organize outage activities, to reduce or minimize outage times, getting you back online fast.

3.     Turnkey Inspections

MD&A offers a skilled support team for turnkey installation, maintenance, and gas turbine overhaul services to our clients. Our capabilities range from Combustion inspections to HGP and Major inspections.

4.     Rotor Life Assessment

A rotor life assessment can help decide if component Repair, Replace or Use is the best option for your gas turbine rotor to meet operational and maintenance forecasts.

5.     Gas Turbine Alignment

Our laser alignment services provide a reliable method of measuring and aligning gas turbine components, including alignment of compressor discharge casings and exhaust frames during replacement.

6.     Coupling Laser Alignment

MD&A experts can perform a shaft/coupling alignment with Pruftechnik laser technology. Our experts are skilled at utilizing this technology and use this equipment to perform reliable alignment services for our clients.

7.     Operational Alignment Diagnostics- CMM System

As part of our Gas Turbine Services capabilities the CMM (Coordinate Measurement Machine) system measures and monitors large equipment components and their movements precisely.

8.     Balancing & Vibration Analysis

Our team of experts uses influence coefficient balance methods to ensure a high-performance level of heavy rotating equipment. We also have our High-Speed balance facility located in St. Louis MO.

9.     Field Machining

For use on-site, our team supplies a range of portable steampath repair and field machining equipment. Our experts have many capabilities available in-shop.

10.    Control and Excitation Field Engineering, Consulting & Training

For gas turbine controls, generator excitation, and auxiliary systems, we have a staff full of OEM-skilled field engineers that handle multiple tasks like technical support, installation, training, consultation, and advanced troubleshooting.

11.     Turbine Foundation Monitoring

MD&A experts use multiple optical and laser measurements altogether in our advanced foundation measurement process to calculate the custom monuments in the turbine foundation.

12.    Turbine System Enhancements

Our experts can handle multiple phases of generator, gas, and steam turbine controls. We often provide targeted improvement in particular available system components to evaluate and enhance overall system performance.

13    Thermographic Survey

Our engineers utilize acoustic techniques and infrared thermography to pinpoint leakages and quantify them as per the industry-accepted standards.

14.    Thermodynamic Analysis

MD&A offers thermodynamic analysis to understand and improve cycle performance.

15.    Center-line Installations

Our team of technical support personnel, craft labor, and project managers have experience in providing affordable center-line installations of the diverse OEM-generated steam turbine-generator sets.

16.    Performance Testing & Analysis

Our Experts look at the overall testing objective of the power plant and provide suitable performance testing and analysis solutions.

Conclusion

In conclusion, our goal at MD&A is to deliver exceptional gas turbine services for our clients, addressing all aspects of gas turbine maintenance and repair including overhauls and more. We strive to ensure that power generation plants operate at optimal performance and efficiency with our expert support and technical expertise. To talk to one of our experts and find out all the services we offer, get in touch with us as soon as possible.

Check out our video: Gas Turbine Services Video

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Our Turbine-Generator Repair Facility experts understand the importance of having a well-maintained and properly functioning gas turbine. That’s why we make repair recommendations based on the owner’s intended operating plans for the unit. This ensures that our clients receive the best possible recommendations for gas turbine repairs.

We pride ourselves on our effective and time-tested principles that allow us to produce sound and superior repair solutions for gas turbine-generator rotors and components. Our team has the knowledge and expertise to address all types of gas turbine issues, ensuring that your power generation plant runs smoothly and efficiently.

Why choose MD&A?

For over 40 years, our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions.

MD&A is easy to work with. We provide immediate access to expert help when you need it, where you need it. Around the corner or the globe, we ensure prompt, thorough communication, and follow-through. For every repair job, large or small, the speed and effectiveness of our response team are matched only by the depth and breadth of our engineering expertise.

Find out today why so many power generators use MD&A to maximize operational effectiveness.

The Gas Turbine Repairs capabilities that we offer include the following:

1.       Rotor Repair

MD&A offers full capabilities for your gas turbine rotor maintenance and end-of-life assessment. Our one-stop-shop, Turbine-Generator Repair facility in St. Louis, MO, is equipped with overhead cranes, a 100-ton lathe, and all support equipment for inspections and repairs.

2.       Component Repair

Our gas turbine experts are highly focused on providing quality gas turbine component repairs. Our team is trained in many types of component repairs, like dimensional restoration, blend repair, weld repair, and machining for combustion and gas path components of multi-frame gas turbines

3.     Fuel Nozzle Repair

Our Fuel Nozzle Services Division provides refurbishment and repairs of fuel nozzles in gas turbines. Our experts provide services for GE® gas turbine Frame 5 fuel nozzles, Frame 7 fuel nozzles, Frame 6 fuel nozzles, and Frame 9 fuel nozzles including standard, Multi-Nozzle Quiet Combustor (MNQC), and Dry Low NOx System (DLN) 1.0, 2.0, and 2.6 for industrial and power generation customers.

4.     Machining Services

We offer a wide variety of portable gas turbine field machining and steampath repair services to use on-site. Our Turbine-Generator Repair Facility machining capabilities include in-shop and on-site repair horizontal joints for turbine casings, defective rotors, valves, or other turbine-generator components.

5.     Portable Machine Shops

We have multiple portable machine shops available for use during plant projects. Clients can also use these shops during an outage. Our shops are available in portable Conex trailers and are fully stocked with drill passes, metal grinders, lathe, and many other essential tools

6.     Compressor Vane Pinning Solutions

Multiple power plant owners notice shim migration and compression rocking issues. Our highly skilled professionals have expertise in gas turbine repair techniques and leading-edge equipment for these issues.

7.     Bearing Ball Ring Repairs

MD&A’s Bearings, Seals, and Hydraulics division performs precise journal bearing ball ring repairs utilizing our horizontal bore machine. We provide a complete restoration to the spherical fit and can perform checks to ensure proper assembly on site.

8.     Rapid-Spares Gas Turbine Bearings

MD&A Bearings, Seals & Hydraulics Division can handle bearing-related issues with the help of pro-active planning. The Rapid-Spares bearing exchange reduces the uncertainty of the bearing refurbishment conditions at the time of critical outage intervals.

9.     High-Speed Balance

Our high-speed balance facility in St. Louis, MO is designed with vacuum capabilities and the ability to excite generator rotors at high speed. This allows our engineering specialists to handle turbine and generator-related balancing and testing effectively.

10.   Elliptical Journal

We design, repair, and manufacture elliptical bearings to remove the steam whirl or oil whip side effects of your gas turbine. We also provide short cycle delivery, insulation mounting and spherical mounting restoration, and performance monitoring instrumentation.

11.   Tapered Land Thrust

MD&A’s Bearings, Seals & Hydraulics Division can manufacture, and repair tapered land thrust bearings. We can provide material upgrades, fixture profiling, instrumentation in performance monitoring, and short cycle delivery.

12.   Tilt Pad Thrust

A tilt pad thrust bearing retrofit is a cost-effective solution when sole plate settling or other foundation changes have created poor alignment conditions. We offer clients predictable bump check shim sizing and complete assembly reconditioning.

13.   Bronze Turbine Seal Rings

The Bearings, Seals, & Hydraulics Division at MD&A provides a range of bronze turbine seals rings that include manufacturing to spec, in-house stocking of custom alloys, and expedited delivery on a short cycle.

14.   Oil Deflectors

MD&A Bearings, Seals & Hydraulics Division offers complete oil deflector reconditioning to assure the long-term integrity of a tight oil sealing system. Our inventory includes seal tooth material, dowels, steam painting/cleaning, and body bolt components.

15.   Tilt Pad Journal

One of the gas turbine repairs we offer is tilt pad journal bearing retrofits. A tilt pad journal is useful for managing the effects of steam whirl or oil whip conditions. We offer complete assembly, provide material upgrades, performance monitoring instrumentation, and short cycle delivery.

Conclusion

Our skilled and experienced team of experts is invested in providing high-quality testing and gas turbine repair services. With our help, you can improve the operating conditions of your unit and discover any underlying issues that may be affecting your fleet. Talk to one of our experts and discover all the repairs we offer, get in touch with us as soon as possible.

Sign Up for MD&A’s Insight Newsletter: Get quarterly our turbine-generator expert’s case studies and tips!

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MD&A San Antonio Service Center’s experts have the knowledge and experience to repair many types of multi-frame gas turbine combustion and hot gas path components. MD&A Fuel Nozzle Services specializes in refurbishing and repairing fuel nozzles in gas turbines.

Why Choose MD&A?

For over 40 years, our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions.

MD&A is easy to work with. We provide immediate access to expert help when you need it, where you need it. Around the corner or the globe, we ensure prompt, thorough communication, and follow-through. For every repair job, large or small, the speed and effectiveness of our response team are matched only by the depth and breadth of our engineering expertise.

Find out today why so many power generators use MD&A to maximize operational effectiveness.

1.     Frame 7EA Parts Solutions

Our San Antonio Service Center is highly equipped to handle Frame 7EA gas parts manufacturing and repair work. We have leading-edge repair techniques and equipment in the facility for handling multiple-frame hot gas path components and combustion components in gas turbines. You can expect long service life and enhanced durability of your units with our parts.

2.     Frame 7FA Parts Solutions

Our experts provide Frame 7FA gas parts manufacturing and repairs, and upgrades with improved designs. Our leading-edge repair tactics and equipment can extend the service life of your gas-turbine combustion and hot gas path components.

3.     V Series Parts Solutions

Our team at the MD&A San Antonio Service Center has an extensive history of repairing your V series components. We can also manufacture new enhanced gas turbine new parts with improved designs using proprietary advanced technology to extend their service life.

4.     Fuel Nozzles

MD&A is a worldwide leader in the production of gas turbine fuel nozzles. We can service and support gas turbine Frame 5 fuel nozzles, Frame 6 fuel nozzles, Frame 7 fuel nozzles, and Frame 9 fuel nozzles, including standard, Multi-Nozzle Quiet Combustor (MNQC), and Dry Low NOx System (DLN) 1.0, 2.0, and 2.6 for industrial and power generation customers.

5.     Combustion Parts

We are a premier supplier of gas turbine combustion components for a Combustion Inspection, Hot Gas Path, or Major Outage. We can provide new and refurbished solutions across a wide range of OEMs, frame sizes, and technologies, from standard combustion through Multi-Nozzle Quiet Combustor (MNQC) & Dry Low NOx System (DLN).

6.     Compressor Parts

The Parts Division at MD&A provides heavy-frame Gas Turbine compressor components. We supply upgraded and replace-in-kind compressor blading services for EGVS and IGVs, among others. We also provide hardware from rotor through bolts and nuts to blade spacers and balance weights to support turnkey compressor overhauls.

7.     Turbine Parts

MD&A is a premier worldwide supplier of heavy-frame Gas Turbine hot section components. MD&A has a wide depth of knowledge of materials, coatings, and manufacturing technologies to support your Gas Turbine part requirements. Whether you’re looking to extend outage intervals or looking to minimize cost with refurbished components, MD&A can provide competitive alternatives to the OEM.

8.     Gas Turbine Bearings

MD&A’s Bearings, Seals, and Hydraulics Division can maintain a new, identical turbine bearing in our inventory for you, eliminating uncertainty, excess costs and freeing up your plant personnel to address on-site critical path items.

9.     Fasteners

MD&A Parts Division can quickly and effectively respond to the need for any type of fastener for many types of steam turbines. Our inventory also includes various washers and nuts, useful for turbine-generator maintenance.

10.     Oil Deflectors

MD&A Bearings, Seals & Hydraulics Division offers complete oil deflector reconditioning to assure the long-term integrity of a tight oil sealing system. Our inventory includes seal tooth material, dowels, steam painting/cleaning, and body bolt components.

11.     Legacy Turbine Circuit Boards, Repairs & Service

MD&A Turbine and Generator Controls Division can replace and service cards. We offer most circuit cards for MKII and MKI, and many other OEM turbine control cards as well.

12.     IBECS System

Our proprietary IBECS® system is useful for monitoring the power plant and turbine-generator component conditions. One can easily configure the HMI online as well.

Conclusion

Our team at MD&A is dedicated to providing efficient, high-quality, and cost-effective gas turbine parts to our customers. Our component upgrades can enhance turbine efficiency and last longer! Speak with one of our experts today and discover all of the gas turbine-generator parts we offer.

Check out our videos: Gas Turbine Capital Parts, Gas Turbine New Parts

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Planning ahead for major turbine overhauls is important, and our experienced team can help coordinate. However, forced outages do transpire, and our experts provide fast engineering responses for any issue.

Our Steam Turbine Services professional experts help prepare for both planned and unplanned outages. Our project managers and technical directors are always available to give the necessary technical and engineering support.

Why Choose MD&A?

For over 40 years, our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions.

MD&A is easy to work with. We provide immediate access to expert help when you need it, where you need it. Around the corner or the globe, we ensure prompt, thorough communication and follow-through. For every repair job, large or small, the speed and effectiveness of our response team are matched only by the depth and breadth of our engineering expertise.

Find out today why so many power generators use MD&A to maximize operational effectiveness.

Services for Steam Turbines

The Steam Turbine Services capabilities that we offer include the following:

1.     Outage Planning

Through MAPS or Maintenance Advanced Planning Services, our experts evaluate and organize outage activities, to reduce or minimize outage times, getting you back online fast.

2.     Turnkey Labor

MD&A offers a skilled support team for turnkey installation, maintenance, and steam turbine overhaul services to our clients

3.     Technical Direction

We have experienced technical directors and project managers who provide expert assistance in challenging cases of turbine-generator engineering.  These experts can handle complex technical issues in many different types of OEM equipment.

4.     Topless Alignment

Our Alignment experts use custom measurement and laser equipment for measuring shell deflections and calculating centerline bore positions. This service decreases the expensive and time-consuming turbine reassembly process for «Tops-On» measurements.

5.     Operational Alignment Diagnostics-CMM System

As part of our Steam Turbine Services capabilities the CMM (Coordinate Measurement Machine) system measures and monitors large equipment components and their movements precisely.

6.     Coupling Laser Alignment

MD&A experts can perform a shaft/coupling alignment with Pruftechnik laser technology.

7.     Operating Surveillance Program

This program is useful for monitoring leaks and issues in both steam turbines as well as generators. We would perform this service while the unit is still operating. Plus, we provide recommendations and results based on the analysis.

8.     Field Machining

For use on-site, our team supplies a range of portable steampath repair and field machining equipment. Our experts have many capabilities available in-shop.

9.     Custom Installation of Seals

MD&A Parts Division handles custom installation of tip seals and packing rings with a mobile machine shop that we use to provide a precise fit.

10.    Control and Excitation Field Engineering, Consulting & Training

For steam turbine controls, generator excitation, and auxiliary systems, we have a staff full of OEM-skilled field engineers that handle multiple tasks like technical support, installation, training, consultation, and advanced troubleshooting.

11.     Balancing & Vibration Analysis

Our team of experts uses influence coefficient balance methods to ensure a high-performance level of heavy rotating equipment. We also have our High-Speed balance facility located in St. Louis MO.

12.     Steam Path Audits

A steam path audit’s purpose is to identify and quantify performance problems due to the deterioration of steampath components. We conduct physical inspections of those components and steampath.

13.     Thermodynamic Analysis

MD&A offers thermodynamic analysis to understand and improve cycle performance.

14.     Performance Testing & Analysis

Our Experts look at the overall testing objective of the power plant and provide suitable performance testing and analysis solutions.

15.     Thermographic Survey

Our engineers utilize acoustic techniques and infrared thermography to pinpoint leakages and quantify them as per the industry-accepted standards.

16.    Remaining Life & Finite Element Analysis

MD&A experts utilize finite element analysis for modeling the turbine components and finding the root cause of the issues in the components.

17.     Turbine Engineering

MD&A has engineering experts with on-site field experience with a variety of OEM machines and who possess factory-level training in order to support power plant technical issues.

18.     Turbine System Enhancements

Our experts can handle multiple phases of generator, gas, and steam turbine controls. We often provide targeted improvement in particular available system components to evaluate and enhance overall system performance.

19.     Turbine Control Retrofits

We can supply a customized and maintainable system structure with premium-level technology and can integrate it with the already present control platform at our client’s power plant.

20.     Turbine Foundation Monitoring

MD&A experts use multiple optical and laser measurements altogether in our advanced foundation measurement process to calculate the custom monuments in the turbine foundation.

21.     Center-line Installations

Our team of technical support personnel, craft labor, and project managers have experience in providing affordable center-line installations of the diverse OEM-generated steam turbine-generator sets.

22.     Acceptance Testing

MD&A can defend your interests by verifying that the tests have happened accurately, as per the test code terms.

Conclusion

All in all, we aim to provide high-quality service for our customers and handle multiple issues related to steam turbine overhauls and more. To talk to one of our experts and find out all the services we offer, get in touch with us as soon as possible.

Check out our video: Steam Turbine Capabilities.

Sign Up for MD&A’s Insight Newsletter: Get quarterly our turbine-generator expert’s case studies and tips!

The post Overhaul Steam Turbine Services appeared first on MDA Turbines.

Our engineers make steam turbine repairs and recommendations based on the owner’s intended operating plans for the unit. With over fourty years of experience in steampath engineering, our aim is to give high-quality service and assistance to our customers.

We maintain a staff of experienced full-time steampath engineers who specialize in the repair of stationary and rotating components. We are committed to providing high-level Steam Turbine Repairs.

Why choose MD&A

For over 40 years, our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions.

MD&A is easy to work with. We provide immediate access to expert help when you need it, where you need it. Around the corner or the globe, we ensure prompt, thorough communication and follow-through. For every repair job, large or small, the speed and effectiveness of our response team are matched only by the depth and breadth of our engineering expertise.

Find out today why so many power generators use MD&A to maximize operational effectiveness.

Steam Turbine Repairs

The Steam Turbine Repairs that we offer include the following:

1.     Stationary Component Repair

We specialize in the repair of blade rings and diaphragms and provide full-time on-site supervision during your steampath turbine repairs. From small-scale weld repairs to developing new diaphragms, we provide a comprehensive list of restoration services.

2.     Rotating Component Repair

We provide an array of repair services for rotating components to power plant owners. Our team of experts has high-quality steam turbine rotor welding experience. From minor weld-specific repairs to total rotating component replacement, we provide multiple types of Steam Turbine Repairs.

3.     Rotor Straightening

Our Turbine-Generator Repair Facility provides proprietary distortion correction for straightening bowed rotors in steam turbines. We provide computer modeling techniques and recommendations, plus an engineering analysis to find the root issue.

4.     Machining Services

We offer a wide variety of steampath repair equipment and field machining services to use on-site. Our Turbine-Generator Repair Facility machining capabilities include in-shop and on-site repair horizontal joints for turbine casings, defective rotors, valves, or other turbine-generator components.

5.     Portable Machine Shops

We have multiple portable machine shops available for use during plant projects. Clients can also use these shops during an outage. Our shops are available in portable Conex trailers and are fully stocked with drill passes, metal grinders, lathe, and many other essential tools.

6.     Casing/Shell Analysis & Renovation

Our engineers offer multiple steam turbine repair services and engineering to help determine the root cause behind casing/shell failure. Our capabilities range from computer-aided “stress” analysis, metallurgical testing, and innovative solutions to complete turnkey repairs and operating software.

7.     Distortion Correction

Our experts in the Repairs Division provide proprietary distortion correction techniques and procedures to permanently address issues associated with out-of-round shells, nozzles, and other critical steampath components.

8.     Westinghouse® Horizontal Throttle Valves

We provide upgrade and restoration services specifically for the existing design problems in the Westinghouse® horizontal throttle valves. We offer full-service, one-stop valve repair, and upgrade of all steam valves.

9.     Bearing Ball Ring Repairs

MD&A’s Bearings, Seals, and Hydraulics division performs precise bearing ball ring repairs utilizing our horizontal bore machine. We provide a complete restoration to the spherical fit and can perform checks to ensure proper assembly on site.

10.     Turbine Valve Actuators

Our experts can provide complete Rexroth® hydraulic actuator refurbishment. We maintain an inventory of retainers, seals, and disc springs to handle short-cycle turnaround requirements. To assure a seamless transition to system operations, we will perform a documented functional test of your actuator.

11.     High-Pressure Valve Repair

We offer inspection, restoration, upgrades, and repair services of utility and industrial high-pressure valves and components.  We offer full-service, one-stop valve repair, and upgrade of all high-pressure steam valves.

12.     High-Speed Balance

Our high-speed balance facility is one of the most modern balance facilities which was designed with vacuum capabilities and the ability to excite generator rotors at high speed. This allows our engineering specialists to handle turbine and generator-related balancing and testing effectively.

13.     Control Pac Power Actuators

MD&A provides complete refurbishment and functional testing of power actuators to reduce the need for field adjustments and eliminate variables when troubleshooting operational issues. As part of our steam turbine repair services we offer spring can refurbishment, servo testing, short cycle delivery, spare parts inventory, and stop valve bypass refurbishment.

14.     MHC Operating Governor

We offer functional testing of steam turbine MHC operating governors to decrease field adjustments during start-up. We maintain worm gears, pilot valve types, programmable replacements, incremental upgrades, and performance monitoring diagnostic instrumentation. We also provide short cycle delivery and performance monitoring diagnostic instrumentation.

15.     Steam Seal Regulator

Our Bearings, Seals & Hydraulics Division can refurbish your steam seal regulator. We use calibration and functional repairs to verify the effectiveness of the steam turbine repairs. We also maintain an extensive stock of pressure bellows, seats, high-pressure steams, and piston rings.

16.     Tapered Land Thrust

MD&A’s Bearings, Seals & Hydraulics Division can manufacture, and repair tapered land thrust bearings. We can provide material upgrades, fixture profiling, instrumentation in performance monitoring, and short cycle delivery.

17.     Control Rotor

MD&A’s Bearings, Seals & Hydraulics Division offers cost-effective control rotor services. We also offer critical fit area restoration, pump impeller repair, dynamic balancing, journal grinding, and governor impeller sleeve manufacturing and repairs.

18.     Overspeed Governor

MD&A’s Bearings, Seals & Hydraulics Division offers cost-effective overspeed governor adjustment services. We also offer short cycle delivery and a useful range of specialty spare parts.

19.     Elliptical Journal

We design, repair, and manufacture elliptical bearings to remove the steam whirl or oil whip side effects of your steam turbine. We also provide short cycle delivery, insulation mounting and spherical mounting restoration, and performance monitoring instrumentation.

20.     Tilt Pad Thrust

A tilt pad thrust bearing retrofit is a cost-effective solution when sole plate settling or other foundation changes have created poor alignment conditions. We offer clients predictable bump check shim sizing and complete assembly reconditioning.

21.     Tilt Pad Journal

One of the steampath turbine repair services we offer is tilt pad journal bearing retrofits. A tilt pad journal is useful for managing the effects of steam whirl or oil whip conditions. We offer complete assembly, provide material upgrades, performance monitoring instrumentation, and short cycle delivery.

22.     Bronze Turbine Seal Rings

The Bearings, Seals, & Hydraulics Division at MD&A provides a range of bronze turbine seals rings that include manufacturing to spec, in-house stocking of custom alloys, and expedited delivery on a short cycle.

23.     Oil Deflectors

MD&A Bearings, Seals & Hydraulics Division offers complete oil deflector reconditioning to assure the long-term integrity of a tight oil sealing system. Our inventory includes seal tooth material, dowels, steam painting/cleaning, and body bolt components.

24.     Advanced Rotor Welding

We offer both in-kind and upgraded weld filler materials that address many of the most common operational and stress-related failures.  We provide full turnkey weld repair and reconditioning services to include equipment inspections and damage assessment, weld repair solutions, baseline, and weld repair geometry finite element analysis, as well as root cause failure analysis.

Conclusion

Our skilled and experienced team of experts is invested in providing high-quality testing and steam turbine repair services. With our help, you can improve the operating conditions of your unit and discover any underlying issues. Talk to one of our experts and discover all the repairs we offer, get in touch with us as soon as possible.

Check out our video: Steam Turbine Capabilities.

Sign Up for MD&A’s Insight Newsletter: Get quarterly our turbine-generator expert’s case studies and tips!

The post Overhaul Steam Turbine Repairs appeared first on MDA Turbines.

Factors like load demand, aging units, and financial pressures have created the need for reliable and long-lasting steam turbine solutions. Our steam turbine parts capture the potential of plant auxiliary systems and retain thermal performance, providing high-quality and cost-effective enhancement of turbine efficiency.

Why choose MD&A?

For over 40 years, our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions.

MD&A is easy to work with. We provide immediate access to expert help when you need it, where you need it. Around the corner or the globe, we ensure prompt, thorough communication, and follow-through. For every repair job, large or small, the speed and effectiveness of our response team are matched only by the depth and breadth of our engineering expertise.

Find out today why so many power generators use MD&A to maximize operational effectiveness.

1.     Steampath Components

To handle turbine outages, our Parts Division maintains a wide array of steampath components or turbine hardware. We include multiple turbine hardware items in our inventory and provide prompt inquiry responses. All components are manufactured to exact OEM specifications and tolerances.

2.     Stationary Components

We offer multiple types of stationary components for steam turbine units. Some of the Steam Turbine Parts in our stock include atmospheric relief diaphragms, oil deflectors, and seal rings, like inlet piping-related snout rings and bell seals. We also provide Stellite® weld repair for inlet pipes. Other products we carry include support shims, thrust plates, journal bearings, gibs, and pump bearings.

3.     Valve Components

One of our core parts offerings includes a complete line of valve components for all types of steam turbines. All components are manufactured to OEM specifications. We also provide reverse engineering services including engineered design modifications. The MD&A Parts Division can also provide Stellite® weld repair to different types of valve components.

4.     Main Stop Valve Upgrade

Many plant owners experience main stop valve stem erosion. MD&A’s Parts Division offers alternative solutions such as the Triplet Type Main Stop Valve Upgrade. This component significantly reduces erosion on the valve stem and skirt and ultimately reduces valve maintenance.

5.     Combined Cycle Valve Drop-in Solution

This solution combines the steam turbine valve wear parts into one pre-assembled set. This allows you to replace them more quickly and moves the repair work and detailed shop inspection of the outage critical path. Our experts will inspect, replace, or repair each Drop-in set at the shop to ensure it is capable to handle the next outage.

6.     Guardian® Packing

Our Parts Division offers the patented advanced design Guardian® packing ring. The Guardian® Packing rings maintain a positive radial seal during shutdown, turning gear, start-up, and unit operation. Positive radial sealing is a key component in unit efficiency.

7.     Vortex Shedder® Spill Strips

MD&A Parts Division offers the patented advanced design Vortex Shedder® spill strip. It uses an aerodynamic geometry to reduce the leakage flow while improving stage heat rate performance. The Vortex Shedder® improves stage efficiency, whether the steam path design is reaction-based, impulse-based, or hybrid.

8.     Conventional Packing & Spill Strips

MD&A is a premier manufacturer of conventional design seals for all types of steam turbines. We provide conventional design shaft packing, gland packing, honeycomb seals, spring back seals, J-strip, caulked-in seals, and diaphragm packing. We also manufacture to OEM specifications and tolerances.

9.     Custom Seal Installation

Our MD&A Parts Division is focused on providing high-quality and cost-effective new and refurbished steam turbine parts to our clients. Our patented products like the Guardian® packing rings and the Vortex Shedder® spills are all custom-installed by an MD&A Parts expert.

10.     Tapered Land Thrust

Our experts have the capabilities to design, repair, and manufacture tapered land thrust bearings. These are useful for troubleshooting the thrust bearing temperature. We also offer material upgrades, fixture profiling, and performance monitoring instrumentation.

11.     Elliptical Journal

We design, repair, and manufacture elliptical bearings to remove the steam whirl or oil whip side effects of your steam turbine. We also provide short cycle delivery, insulation mounting and spherical mounting restoration, and performance monitoring instrumentation.

12.     Tilt Pad Thrust

A tilt pad thrust bearing retrofit is a cost-effective solution when sole plate settling or other foundation changes have created poor alignment conditions. We offer clients predictable bump check shim sizing and complete assembly reconditioning. We also offer material upgrades, performance monitoring instrumentation, and short-cycle delivery.

13.     Bronze Seal Rings

Incorrect oil seal clearances can cause long-term and immediate operational issues in turbine-generators. We manufacture bronze seal rings to improve the long-term service life of tight oil sealing systems and ensure that the rub-induced vibrations are minimal.

14.     Oil Deflectors

MD&A Bearings, Seals & Hydraulics Division offers complete oil deflector reconditioning to assure the long-term integrity of a tight oil sealing system. Our inventory includes seal tooth material, dowels, steam painting/cleaning, and body bolt components.

15.     Tilt Pad Journal

One of the steampath turbine parts we offer is tilt pad journal bearing retrofits. A tilt pad journal is useful for managing the effects of steam whirl or oil whip conditions. We offer complete assembly, provide material upgrades, performance monitoring instrumentation, and short cycle delivery.

16.     Legacy Turbine Circuit Boards, Repairs & Service

MD&A Turbine and Generator Controls Division has over 500 Novatech circuits in power stations in the US. Power plant owners can use these specially designed cards as a replacement. We offer most circuit cards for MKII and MKI, and many other OEM turbine control cards as well.

17.     Fasteners

MD&A Parts Division can quickly and effectively respond to the need for any type of fastener for many types of steam turbines. Our inventory also includes various washers and nuts, useful for turbine-generator maintenance. Other items we carry include dowels, hex and castle nuts, lockplates, rivets, and many others.

18.     IBECS® System

Our proprietary IBECS® system incorporates many effective solutions to monitor the condition of power plant units. One can easily configure the HMI online as well. Our IBECS® system presents many useful services that assist our clients, like Full Data Server Capability and Network Deployment features.

19.     Steam Turbine Retrofits

We offer comprehensive reaction and impulse turbine retrofit packages for LP, IP, HIP, and HP turbine sections. Our clients can choose between multi-section or single retrofit packages.

20.     Mitsubishi Power Continuous Cover Blades /Long Blades

In collaboration with Mitsubishi Power, we can provide many new long blade design improvements. The CCB or Continuous Cover Blades are constructed using a mono-block blade structure which leaves fewer locations for corrosive deposits. This also makes them less susceptible to stress corrosion cracking.

Conclusion

Our team at MD&A is dedicated to providing efficient, high-quality, and cost-effective steam turbine part solutions to our customers. Our turbine parts upgrades can enhance turbine efficiency and last longer!  Talk to one of our experts today and discover all of the turbine-generator parts we offer.

Check out our Video: Steam Turbine Capabilities

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Our mission is to ensure quality customer satisfaction and build trust with our clients, resulting in repeat business. Our team of experts is dedicated to providing quick customer support and professional expertise to our clients. Our response team is always available to assist you, and clients can easily get in touch with us at any time and from any location.

Our MD&A experts are skilled engineers and technicians who provide prompt support and innovative solutions to our clients. Our Turbine and Power Plant Generator services and repairs are quick and efficient, ensuring that your power plant runs smoothly and efficiently. Trust MD&A for all your Power Plant Generator needs, and we will ensure that your power plant is running at optimal performance.

Services

Our Power Plant Generator Services team is made up of trained and skilled experts who have the experience and knowledge to conduct full-scope electrical testing, visual inspections, and specialty tests as per customer requirements. We have a proven track record of successful projects, and our experts approach each challenge with the knowledge and skills gained from these experiences.

Outage Planning  Technical Direction  Turnkey Labor

Outage Planning 

Power plant professionals can manage their tasks, lower outage times, and increase their online time with effective planning. Our workers focus on reviewing the available objectives, performance, and reliability of the unit, and plan the outage schedule for Turbine and Power Plant Generator Services. With Maintenance Advanced Planning Services (MAPS), we compile historical data, fleet data, and OEM recommendations in a final report for the client. 

Technical Direction 

Our project managers and technical directors are experienced professionals who specialize in the many unique and complex areas of turbine-generator engineering.  Many of our TDs have a broad background of experience with many OEM equipment types, enabling them to effectively address even the most complex technical challenges.

Turnkey Labor 

We offer skilled turbine-generator mechanics, supervisors, tools, equipment, and other required services for turnkey installation, maintenance, and overhaul of the Power Plant Generator and turbines. 

Balancing & Vibration Analysis

Our advanced High-Speed Balance Facility based in St. Louis was designed with both vacuum capability and the ability to excite generator rotors at high speed, allowing the testing and balancing of both turbine and Generator rotors.  High-speed balancing has effectively shown to minimize any testing stresses during repairs, ensuring effective usage when returned to operation.

Generator Testing and Inspections 

Our generator specialists perform a comprehensive series of inspections and tests on all stator and field components. Machines are subjected to both electrical tests and visual inspections. The goal of our Generator Specialist is to compile the results from a series of applicable tests that collectively help you make decisions about the necessity and priority of repairs. 

Robotic Generator In-Situ Inspection 

Our generator in-situ inspection robot (called Air Gap-Bot) fully inspects the system without removing the generator field. Leading to shorter outage duration and reduced inspection cost.

It can perform a visual inspection, a stator wedge tightness assessment, and an Electromagnetic Core Imperfection Detection (ELCID) in order to find possible faults, shorts, material deterioration, and more.

Control and Excitation Field Engineering, Consulting & Training

We have OEM experienced field engineers which provide installation, technical support, advanced troubleshooting, training, and consulting services for gas and steam turbine controls, generator excitation, and auxiliary systems.  

Generator Excitation Retrofits 

In order to enhance the voltage protection and control of the generator, we offer multiple options for turnkey replacement in generator excitation systems. Also, we give customized solutions for brushless, static, and multiple other legacy OEM configurations. 

Operating Surveillance Program 

Our power plant generator experts conduct this program to find the leaks and various issues in generators. This system can work even when the unit is in operation, and usually takes 2-3 days to complete, based on unit complexity and size. 

Turbine System Enhancements 

Our experts conduct targeted improvement in generator system components in order to improve system performance. They offer premium upgrades in generator hydrogen systems, turbine trip manifolds, valve actuators, Overspeed systems, and hydraulic systems.

Turbine Foundation Monitoring 

We combine optical and laser measurements to gauge the custom monuments that are installed in the turbine foundation.

Center-line Installations

Our skilled project managers, craft labor, and technical experts handle center-line installations completely and cost-effectively. These installations include steam turbine-generator sets manufactured by nearly all OEMs.

Repairs 

Aiming to provide efficient, comprehensive overhaul and repair of large utility and industrial power plant generator stators and fields, we are trusted by our clients all over the world. Our facility has two climate-controlled generator clean rooms to accommodate multiple field rewinds at a time.

On-Site Stator Repair  Generator Field Rewinds

On-Site Stator Repair

Our experts provide complete turnkey stator repair services for water-cooled, hydrogen-cooled, and conventionally-cooled generators.  We can perform full Rewinds, Wedge System Upgrades, Flush & Bake Services, and more.

Generator Field Rewinds

In terms of power plant generators, we have experienced and trained winders and technicians in our Turbine-Generator Repair Facility that can accommodate generator field rewinds of any capacity, including large 4-pole nuclear units.  It has two climate-controlled generator clean rooms to accommodate multiple field rewinds at a time. We offer turnkey testing and inspection services and retaining ring change-outs.

Stator Bar Water Leaks (TIL-1098)

As prescribed in the TIL-1098 (Technical Information Letter 1098), our patented Two-Piece Clip aids in handling all possible leakage issues as well as porosity conditions of water-cooled stator bars of General Electric®.

Rotor Slot Dovetail Repair (TIL-1292)

On-site or in our Turbine-Generator Repair Facility, our experts can conduct inspection and repairs for potential cracking or fretting in the generator rotor slot dovetail surfaces, meeting all OEM requirements.

Collector Ring Machining 

On-site or in our Turbine-Generator Repair Facility, our experts can handle collector ring machining, using our single stone process for final honing and polishing. They do the task without removing the generator field from the stator.

High-Voltage Bushings & Auxiliaries

Our team of experts can simultaneously perform disassembly, cleaning, repair, and reconditioning or manufacture new multiple high-voltage bushings.

High-Speed Balance 

High-speed balancing has effectively shown to minimize any testing stresses during generator repairs, ensuring effective usage when returned to operation. Our advanced High-Speed Balance Facility based in St. Louis was designed with both vacuum capability and the ability to excite generator rotors at high speed, allowing the testing and balancing of both turbine and Power Plant Generator rotors.  

Hydrogen Seals & Housings

Trusted by customers for our short-cycle delivery, we can manufacture, modify or repair hydrogen seal rings in order to help with operational issues like excess consumption of hydrogen, extreme seal oil flow, and grounding-caused electrolysis. 

Elliptical Journal 

Our experts can provide assistance to our clients who wish to remove the unwanted side effects of steam whirl or oil whip. We do this through designing, creating, and repairing elliptical bearings. 

Tilt Pad Journal

A tilt pad journal bearing retrofit is an affordable solution for handling the unwanted side-effects of steam whirl or oil whip.

Oil Deflectors 

Trusted by customers for our short-cycle delivery, we offer total oil deflector reconditioning for long-term operational problems from improper oil seal clearances.  

Parts 

MD&A supplies high-quality power plant generators replacement parts. As a single-source provider, we take a focused approach to our personnel and assets, to provide speedy service to our clients. 

Generator Stator Bars  Collector Rings

Generator Stator Bars

We offer high-quality generator stator bars to our clients so that they can rest assured to continue operation. With MD&A’s highly skilled reverse engineering team, our state-of-the-art manufacturing techniques, and premium insulating materials, the stator bars we install will meet or exceed OEM standards.

Collector Rings

MD&A experts can manufacture a variety of designs of collector rings for your generator.  They can reuse the inner shell and replace all other components. 

Hydrogen Seal Rings & Assemblies

Our experts design, manufacture, and repair hydrogen seal rings to handle problems like excessive oil flow or consumption of hydrogen. Our inventory includes insulation components, custom bronze alloys, and garter springs. 

HV Bushings & Auxiliaries

For the steady functioning of Power Plant Generators, our team with years of experience can manufacture new or recondition multiple high-voltage bushings at once.

Insulated Bearing Rings 

With short cycle delivery and an inventory of insulation materials, MD&A experts can provide a total reconditioning option for insulated bearing rings, which can help decrease electrolysis due to grounding.

Generator Retrofits & Replacements

MD&A provides comprehensive generator replacement and retrofit packages, which provide the latest advances in generator technology.

Oil Deflectors 

We offer full reconditioning of this type in the tight oil sealing system to improve its long-term effectiveness. MD&A experts offer full reconditioning of oil deflectors for long-term operational problems from improper oil seal clearances. Moreover, we provide an extensive inventory full of dowels, body bolts, and seal tooth material.  

Miscellaneous Generator Components

Our premium stock of miscellaneous parts for a Power Plant Generator includes hydrogen seals, thermocouples, shaft grounding devices, brushes and holders, springs, sealants, RTDs, RTVs, and gaskets, among others. 

Fasteners

We provide quick service to clients with our stock of multiple washers & nuts, as well as, various types of alloys for bolting and studs.

Legacy Turbine Circuit Boards, Repairs & Service

MD&A Control Systems can supply many different OEM turbine control circuit cards. The cards work to provide modern and reliable replacements.

IBECS® System

With our easily configured HMI, our IBECS® System provides power plant monitoring with many features and benefits.

Power Plant Generator Differentiators

Power Plant Generator differentiators that make us unique:

• EXPERIENCED: Backed by decades of engineering expertise,  MD&A’s Generator Division has continuously earned customer satisfaction and trust. We operate as a convenient, comprehensive resource of knowledge and equipment devoted to generator technology. 
• EFFICIENT: Regardless of scope or OEM, and whether your needs are planned or emergent, MD&A’s dedicated professionals take pride in their efficient response, in their knowledge, and in the company they represent. We are committed to your success.
• FOCUSED: Efficiency and speed are ensured by our lean and logical approach to both assets and personnel.  This focus on ourselves helps us focus on your bottom line.

Conclusion 

In conclusion, MD&A is a leading provider of Power Plant Generators services and repairs for power generation plants worldwide. Our commitment to excellence has earned customer trust for all turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions. We are your full service, OEM-alternative!

For further queries or to begin using our services, call us today!

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