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Gas Turbines
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Hydraulic Tensioning has become the standard method of bolt tightening for the major Gas Turbine OEM’s.
The speed and accuracy gained by use of tensioning has allowed increased production and reduced service intervals on a worldwide basis. |
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Constant development
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Customer requirements lead to design refinement in certain areas, demonstrated here by use of a tri-nut assembly, which fits over the thread major diameter and locks into place on the thread with a quarter turn |
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Boiler sling rod welding
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Guarantees that sling rod loads are accurately determined. Ensures plant life extension programmes can be maximised by weighing and, if necessary, balancing sling rod load distribution. |
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Specialist onsite services
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Coupling Hole Boring, Induction Bolt Heating and Specialist Machining, in situ, can all reduce outage programmes by days. |
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Liaison
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Technofast co-operation with all the major OEMs has produced turbine specific products to cover critical bolting applications. |
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Standard tensioners
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Accurately and quickly load Boiler Feed Pump, Pedestal Mounts, Valves etc. |
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Pipe hanger analysis
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In-situ analysis of pipe hanger systems. Used to give hard information for mechanical stress analysis. Direct readout of spring mean deviation available in as found working conditions. |
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Common applications
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The following are common applications:
- Boiler Circulating Water Pump
- Boiler Feed pump
- Feedwater Heater
- High Presure Feedwater Heater
- Turbine Stop Valve
- Turbine/Generator Couplinges
- Wind Turbines
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