Steam Turbine Diaphragm Dishing Repair

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Diaphragm “dishing” due to creep is prevalent in many types of steam turbines.  A viable repair must both correct the dishing prevalent in the diaphragm, while helping prevent future occurrences.

We have developed a procedure that straightens diaphragms even after they are beyond the specifications that typically lead to a replacement recommendation.  The proper combination of stress-relieving and pressure at specific points along the diaphragm has allowed us to repair diaphragms that exhibit extreme dishing.   In certain diaphragm designs, such as with the D-11 Steam Turbine, the diaphragms may even be reinforced with bridges to mitigate future dishing.   We have performed this repair on diaphragms that have been in service for over a decade now, showing tremendous improvement compared to previous major inspections.

If you have a steam turbine that is prone to diaphragm dishing please contact us today to discuss how we may be able to help you prolong the life of your steam turbine diaphragms and prevent costly replacement.  

Looking to order Steam Turbine Valve Components?

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Contact us today to learn how we can provide you with high quality/low cost valve components for your Steam Turbine.   We manufacture a variety of valve components for various Steam Turbine OEM types for the fossil and nuclear industries.

Whether it be to replenish your stock or for an upcoming turbine outage need, we have a solution for you.  We can also reverse engineer and manufacture components through the simple process outlined below.

 

  • Sample Received– Whether it’s a stock item or an item made to order for a special application, the process begins with a new or used sample.
  • Reverse Engineering – After receiving your sample, we confirm all required properties using our state of the art equipment; properties such as dimensions, hardness, and material composition.
  • Design – From the reverse engineering data, a detailed CAD manufacturing drawing is created in accordance with international design standards.
  • Price Estimate – A price estimate is provided to the customer for the finished part. Typically, savings are in the range of 15-30% under standard retail pricing. More savings can be realized as production quantities increase.
  • Manufacture – Upon agreement on the design and price, we manufactures the part, keeping you updated on status along the way. After passing a stringent quality inspection, parts will ship immediately.

We look forward to developing a custom plan to help you improve quality and reduce the cost of your critical steam turbine valve components.

Gold Safety Award!

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ConstructSecure Recognizes its Safest Contractors & Vendors

Safety Assessment Program – Gold Safety Award

Lexington, MA: ConstructSecure, Inc., a cloud-based mobile platform that empowers clients to make smarter risk management decisions, has announced the recipients of its prestigious safety awards. Orbital Energy Services has received the Gold Safety Award . This award is presented to companies that register a safety score score between 85% – 95% in the Safety Assessment Program administered by ConstructSecure.

“Orbital Energy Services has done a remarkable job of implementing a strong safety management system. In addition to keeping employees safe, safety performance of this caliber should reduce their insurance premiums,” says Garrett Burke, CEO of ConstructSecure.

The Safety Assessment Program reviews a company’s historic safety performance and current safety management systems. The platform normalizes data for vendor or contractor size and type of work performed. The program provides thorough, objective and consistent evaluation of company performance so clients can identify, monitor, and manage risk smarter. The results provide a strong indicator of how a vendor or contractor values safety and a reliable predictor of future performance.

About ConstructSecure: ConstructSecure, Inc. is a global SaaS company. Our cloud-based and mobile platform empowers clients to make better risk management decisions. Proprietary algorithms, developed at an Ivy League University, leverage safety and financial indicators to accurately pre-qualify vendors. The data captured by our suite of solutions ensures that our clients, and their subcontracted vendors, are not only meeting regulatory standards but are approaching safety in a way that positively impacts their number of injuries, loss rate, EMR, defaults, insurance premiums, and their overall financial health.

Steam Turbine Valve Component Inspections

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We perform various steam turbine valve component inspections for steam turbines all across the country.  We recently completed a shop inspection of D-11 steam turbine valve components at our world-class facility in Gainesville, Georgia.  The original scope of work for these valves was to disassemble, clean, dimensionally inspect, perform NDE, and provide inspection results and recommendations to the client for disposition. “As Found” dimensional data along with the final NDE inspections were provided to the customer to aide in their decision-making process.

After component inspections are complete we communicate with the customer to determine the best course of action for their components, execute the repair/replacement (if necessary), and return the valve assemblies to the site.

In this instance we inspected the following D-11 steam turbine valves:

  • Reheat Stop Valve
    • RHSV-Left
    • RHSV-Right
  • Intercept Valve
    • IV-Left
    • IV-Right

If you have any upcoming steam turbine valve component inspections please CONTACT US today and we can send you a sample inspection report, as well as a quotation for completing the inspections.

Click here to learn more about our Southeast Service Center

Click here to learn more about our Steam Turbine Valve Component Manufacturing

Click here to learn more about our Steam Turbine Valve Component Repair Services

2020 Safety Accomplishment

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Power Services Group (PSG) is proud to announce that we finished 2020 with no OSHA-recordable incidents.

Our TRIR for 2020 is 0.00

This is a testament to the excellent safety culture that we’ve built over the years and the ability of our Technical Field Advisors, Supervisors, and Project Coordinators to instill a safety-first mentality on each and every project we complete.

Join us in congratulating our Director of HSE and project teams for this outstanding accomplishment, they make it happen each and every day and they are the reason for our success. At the end of the day the most important part of any project is that everyone is able to go home safely, and our entire organization has embraced that mindset and made it a reality.

2021 Spring Outage Preparedness

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We are working with many customers right now developing scopes of work, schedules, and estimates for their upcoming turbine outages.  If you have any turbine inspection or repairs you would like to address this Spring please reach out to us.  We would appreciate the opportunity to be of assistance!

To learn more about how we can help service your power generating equipment please visit our website: www.powerservicesgroup.com

 

November Safety Update

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We completed the month of November continuing on our pace of a 0.00 TRIR for the year. We have zero OSHA-recordable injuries this year and continue to be proactive in identifying potential hazards. Great job by our HSE Director, Shannon Scruggs, and each one of our Project Management teams for engraining our safety culture throughout the teams working at site. Nice job everybody!

Diaphragm Partition Minor Repairs

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We recently completed some diaphragm partition minor repairs at our Midwest Steam Path Repair facility earlier this month.  We’ve been keeping busy at both of our shop locations throughout the year, and are looking forward to a great 2021.  If you have any upcoming diaphragm repair needs please give us a call.  We look forward to earning your business!

 

Generator Field Journal Machining

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We recently completed a Journal Machining project on a Generator Journal.  It cleaned up nicely and the customer was very satisfied with the end result.  Great job by our machining team!

Pearl Harbor Remembrance Day

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National Pearl Harbor Remembrance Day - Boss