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Hahn & Clay
Turbo Services

"Powering Productivity Through Reliable Rotating Equipment Solutions"

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Turbo Services

Hahn & Clay’s Rotating Equipment Division brings over four decades of proven expertise in the repair, overhaul, and optimization of mission‑critical rotating machinery. Whether in our shop or at your facility, we deliver engineering‑driven solutions that restore performance, extend equipment life, and keep your operation running with confidence. Our team is trusted across the industrial, municipal, petroleum, and petrochemical sectors for precision workmanship, rapid response, and uncompromising quality.

 

We support a full spectrum of rotating equipment, providing diagnostics, repair, rebuilds, and performance restoration for:

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  • Extruders

  • Centrifugal Pumps

  • Gearboxes

  • Centrifuges

  • Melt Pumps

  • Steam Turbines

  • Pelletizers

  • Axial Flow Compressors

  • Screen Changers

  • Centrifugal Compressors

  • Blowers & Fans

 

Beyond repair, Hahn & Clay offers comprehensive field services, precision dynamic balancing, and secure rotor storage, giving clients a complete lifecycle support solution for their rotating assets. Our technicians combine deep mechanical knowledge with advanced diagnostic tools to identify root causes, prevent repeat failures, and return equipment to service with improved reliability.

 

With a commitment to safety, precision, and long‑term performance, Hahn & Clay delivers rotating equipment services that reduce downtime, lower maintenance costs, and strengthen the reliability of your entire operation.

 

  • Our team provides comprehensive centrifuge inspection and full overhauls, including the installation of new bowls and conveyors. We deliver expert diagnostics to identify equipment issues and offer practical, long‑lasting solutions tailored to your operation.

    With industry‑leading welding and machining capabilities, our shop is recognized as one of the most advanced in the Gulf Coast region.

    We also specialize in high‑speed balancing for all major centrifuge brands, including:

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    • Andritz Bird

    • Sharples

    • Flottweg

    • Alfa Laval

    • Krauss Maffei

  • Our OEM‑trained Hahn & Clay technicians provide complete extruder and mixer repair services—whether performed onsite or at our Houston Service Center.

    We deliver full-service repair and refurbishment of extruders and mixers, including NDT inspection of rotating elements, screw shafts, barrels, and housings. Our team is factory‑trained for restacking configurations on Coperion/W&P and JSW extruders.

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    Our capabilities include:

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    Chrome & Coating Restoration

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    • Chrome stripping and re-chroming

    • NDT inspection

    • Weld repair

    • Carbide and specialty coatings

    • Stellite overlays

    • Precision grinding and machining of Coperion/W&P barrels

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    Component Repair & Replacement

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    We repair and service all major subcomponents, including:

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    • Pelletizers

    • Dies and adapters

    • Screen changers and carts

    • Hoppers

    • Augers

    • Fluff feeders

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    We also service industrial dryers, including blade and spider repair or replacement.

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    Rotors & Shafts

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    We provide straightening and replacement of rotors and shafts, including:

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    • Run‑out inspection

    • Balancing of complete assemblies

  • Customers rely on Hahn & Clay for comprehensive gearbox repair, including complete disassembly, cleaning, detailed inspection, and precision indicating of all internal components. Our capabilities include full NDT services, welding, machining, grinding, and specialized coating of shafts and gear journals. We also provide expert failure analysis and engineered modifications when needed.

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    We service all makes and models, including but not limited to:

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    • Flender

    • RANK

    • MAAG

    • Lufkin

    • Farrel

    • Kobe

    • JSW

    • Black Clawson

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    We also repair and service all types of VTP and Fan/Blower gearboxes, including:

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    • Philadelphia

    • David Brown

    • Amarillo

    • Marley

    • …and more

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    Supported by our fully equipped, in‑house machine shop, we provide:

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    • Precision milling of split‑lines

    • Line boring of gearbox cases

    • Shaft repair or replacement

    • Bearing replacement

    • Complete NDT services

    • Additional machining and restoration services as required

  • Hahn & Clay provides expert service and repair for all types of centrifugal pumps, including:

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    • Vertical turbine

    • Horizontal split-case

    • Multi‑stage

    • API and ANSI pumps

    • Mag‑drive

    • Submersible

    • Reciprocating

    • And other specialty pump designs

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    Our repair capabilities cover the entire pump assembly, ensuring reliability and restored performance. Services include:

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    Component Repair & Restoration

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    • Impeller repair and high‑precision balancing

    • Shaft repair, straightening, coating, and grinding

    • Replacement of case and impeller wear rings

    • Complete bearing and bushing replacements

    • Case repairs, machining, and restoration services

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    All repair work is fully documented, with detailed workscope reporting and cataloged findings.

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    We service a wide range of pump brands, including:

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    • Goulds

    • Ingersoll Rand

    • Worthington

    • Pacific

    • Layne

    • Peerless

    • Ebara

    • …and many more

  • Customers rely on Hahn & Clay for complete compressor overhauls, including full disassembly, cleaning, inspection, and precision measurement of all internal components. We provide NDT services and comprehensive repairs such as welding, machining, grinding, and coating of critical surfaces. Our team also delivers expert diagnostics, failure analysis, and performance-enhancing modifications.

     

    We service all major compressor types and manufacturers, including but not limited to:

     

    • Reciprocating Compressors

    • Centrifugal Compressors

    • Screw Compressors

    • API and OEM Units

     

    Supported by our in-house Machine Shop, we offer case machining, line boring, shaft repair or replacement, bearing services, and advanced NDT capabilities—ensuring reliable, high-performance results from start to finish.

  • Steam Turbine Repair Services
     

    Hahn & Clay delivers full-service steam turbine repair solutions to restore efficiency, improve reliability, and extend the life of critical rotating equipment. With extensive in-house machining capabilities and field expertise, we handle everything from routine repairs to complete overhauls.
     

    Capabilities Include:

    • Complete disassembly, inspection, and rebuild

    • Rotor repair, straightening, and dynamic balancing

    • Shaft and journal restoration

    • Blade and diaphragm repair or replacement

    • Seal and packing refurbishment

    • Welding and precision machining of worn or damaged components

    • Reverse engineering and fabrication of obsolete parts
       

    Applications:

    • Power generation facilities

    • Refineries and petrochemical plants

    • Pulp & paper mills

    • Industrial steam systems
       

    Our team ensures your steam turbine equipment is restored to optimal operating condition, meeting or exceeding OEM requirements.

  • Gas Turbine Services:
     

    Hahn & Clay provides specialized repair and machining services for gas turbine components, supporting high-performance operation in demanding environments. We focus on precision, durability, and fast turnaround to minimize downtime.
     

    Services Include:

    • Component inspection and damage assessment

    • Casing and housing repair

    • Combustion section refurbishment

    • Precision machining of critical components

    • Rotor and shaft repair support

    • High-temperature material welding and restoration

    • Emergency and outage support
       

    Why Hahn & Clay:

    • Large-capacity machining for complex turbine components

    • Expertise with tight tolerances and high-temperature alloys

    • Fast response for critical outages

    • Custom repair solutions tailored to your equipment
       

    We understand the operational demands of gas turbines and deliver solutions designed to maximize performance, reliability, and uptime.

  • Blowers

    We service and repair industrial blowers with an emphasis on maintaining airflow efficiency and dependable operation. From routine maintenance to full rebuilds, we address wear, imbalance, and performance issues to keep systems running smoothly in demanding environments.

    Fans

    Our fan services ensure reliable operation through proper inspection, balance, and repair. We restore structural integrity, reduce vibration, and improve efficiency, helping extend service life and maintain consistent performance across a wide range of industrial fan applications.

  • Technical Services

    Hahn & Clay provides advanced technical services to support the reliability, performance, and longevity of rotating equipment. Our team combines field expertise with precision tools and diagnostic capabilities to deliver accurate, efficient solutions—whether in the shop or onsite.

    • Technical Consulting
       

      Our experienced specialists provide expert guidance to help diagnose issues, improve performance, and prevent failures. We work closely with your team to develop practical, cost-effective solutions tailored to your equipment and operating conditions.
       

      • Root cause failure analysis

      • Equipment performance evaluations

      • Maintenance strategy development

      • Troubleshooting and failure prevention planning

    • Vibration Analysis

      We utilize advanced vibration monitoring and diagnostic techniques to detect issues early and ensure equipment reliability.
       

      • Condition monitoring and diagnostics

      • Predictive maintenance support

      • Imbalance, misalignment, and looseness detection

      • Detailed reporting with actionable recommendations

    • Field & Shop Balancing
       

      Hahn & Clay provides precision balancing services designed to minimize vibration, extend equipment lifespan, and enhance overall operational efficiency.
       

      Our Capabilities Include:
       

      • In-Place (Field) Balancing
        Reduce downtime with on-site balancing services performed without removing equipment from service.

      • High-Speed Shop Balancing
        Ideal for critical components requiring precise, controlled balancing conditions.

      • Rotor Balancing
        Specialized balancing for turbines, pumps, compressors, and other rotating equipment.

      • Multi-Plane Dynamic Balancing
        Advanced balancing in multiple planes to ensure optimal performance and reliability.
         

      Equipment Capacity:
       

      • Up to 110 inches in diameter

      • Up to 35 feet in length

      • Up to 20,000 pounds in weight

    • Specialty Laser Services
       

      Our laser-based measurement systems provide highly accurate alignment and dimensional verification for critical equipment installations and repairs.
       

      • Laser shaft alignment

      • Bore alignment and geometric measurement

      • Flatness and straightness analysis

      • Precision equipment positioning

    • Torque & Tension Services
       

      We ensure proper fastener integrity and joint reliability using controlled torque and tensioning methods.
       

      • Hydraulic bolt tensioning

      • Precision torqueing for critical applications

      • Flange joint assembly

      • Compliance with OEM and industry specifications

    • Field Machining
       

      Our portable machining capabilities allow us to perform precision repairs onsite, minimizing downtime and eliminating the need for equipment removal.
       

      • Onsite milling, boring, and drilling

      • Flange facing and resurfacing

      • Shaft and journal repair

      • Custom machining for unique field conditions

  • Hahn & Clay’s Rotating Equipment Division deliver field service support right at your site—minimizing downtime and keeping critical operations running. Our experienced technicians provide inspection, troubleshooting, precision alignment, and on-site repairs for a wide range of rotating equipment.

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    We service turbines, compressors, pumps, gearboxes, and more, offering everything from routine maintenance to emergency repairs.

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    Backed by our fully equipped Machine Shop, we can perform field machining, component repair, bearing replacement, and other critical services—ensuring fast, reliable results when and where you need them.

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