• Major and Minor Overhauls • Valve and Bearing Inspections
• Forced Outages • Engineered Solutions • Reverse Engineering
Rayker Mechanical Services provides a service to our customers that is based on a safety culture that is second to none and a passion for excellence that has no equal. We incorporate these values into an efficiency of effort to produce unsurpassed reliability of service for our customers, developing mutually beneficial relationships as the core of our business.
Rayker’s process of pre-outage planning allows us to arrive at your facility with clear direction and purpose. Rayker arrives with all the necessary equipment and tooling needed to perform your outage in the most efficient manner possible. Our definition of “turn-key” encompasses scheduling, project management, technical direction and coordination of all activities related to the inspection and repair of your turbine, generator, gearbox, controls and supervisory equipment. Auxiliary equipment associated with the turbine such as gland and air ejector circuits, stop or throttling valves, non-return valves, lube and control oil systems, and other equipment essential to the proper operation of your turbine are also included as outlined in the detailed scope of work.
Rayker provides manpower that is safety conscious, professional, and knowledgeable about the task to be performed.
Our containerized, specialized tool sets are labeled, inventoried, and organized in a manner that facilitates availability and improves the efficiency of our work force. We bring it all! See our Tools page for more information.
Along with performing the disassembly and reassembly of the equipment, we perform a detailed and thorough inspection of each component. This inspection incorporates a method of detailed data gathering processes and formal data sheets that are displayed for easy review. These data sheets also provide our technicians with guidance as to which measurements are critical to the evaluation process. When a component is outside of acceptable criteria we evaluate the data gathered and determine the appropriate repairs and repair methods.
Rayker will provide repair recommendations tailored to best fit your specific needs. If the component was found to have worn abnormally. we perform an analysis to understand the reason for the failure in order to avoid recurring issues with the same component. See The Rayker Method for more information on these processes.
Detailed Inspection
If you concur that repairs are required, we can manage the necessary repairs for your company either by mobilizing the necessary equipment and personnel to complete the repairs on-site or by managing the off-site repair through one of Rayker’s approved vendors.
Rayker can provide detailed engineering analysis of your steam turbine components when necessary. We understand the time sensitive nature of your turnaround and can assist to minimize the impact to your schedule through management of the entire process. Our vendors understand the need to complete repairs and component fabrication in the best duration possible.
Rayker will continually communicate with you to keep you up to date with the status of ongoing fabrication of components and repairs and assure that the repairs are completed to specifications and delivered to your plant site on time.
Rayker remains up to date with the latest in technical evolution and upgrade designs for steam turbines and generators. We will make you aware of upgrades that will improve the efficiency of your equipment where available.
The most common steam turbine improvements include new sealing designs and re-engineered steam path components. Common generator reliability improvements include predictive maintenance upgrades such as online monitoring of partial discharge and flux probe data collection.
Have your steam conditions or process requirements in your facility changed? Rayker can help if these changes have resulted in the reduced efficiency of your steam turbine. Rayker has the engineering capabilities to analyze your overall heat balance cycle and your auxiliary systems such as glands, air ejector circuit and heat exchangers. We can develop and implement cost-effective improvements where possible.
Rayker can perform all facets of the process required to re-rate your steam path for improved efficiency or to meet your new steam demand requirements.
Rayker is confident in our abilities and the quality of the services that we provide. All services provided by Rayker or our vendors as part of the execution of your outage are guaranteed for a period of 12 months after the unit returns to service. Upon notification that an issue has developed, Rayker will return to your facility to review the cause for concern. We will remediate the problem at no charge if we determine that Rayker’s workmanship is responsible.
ABB, Allis Chalmers, Alstom, BBC, Dresser Rand, DeLaval,
Elliot, Franco Tosi, Fuji, GE, Mitsubishi, Murray, Parsons,
Peter Brotherhood, Siemens, Terry, Toshiba, Westinghouse
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