Case Studies

Eggbrough Powerstation
William Wain
/ Categories: Case Studies

Eggbrough Powerstation

The Geegraf Energised division which deals with the Live Loading of Valves, Flanges, Boiler drum doors and Heat exchanger end covers. Neil Damms who is the Manager of the Energised Division of Gee Graphite  has 24 years experience of installing Live Loading at various Power Stations and chemical plants in the UK, one of the sites which has the Live Loading System installed is Eggborough Power Station.

Gee Graphite have installed the live loading System at the Eggborough site since the year 2000 outage on all four units, there are approximately 62 valves on each of the 4 units which are repacked on one individual unit every 4 years in turn. The Live Loading System has been fitted to valves on the critical areas such as the Feed Regulator System in the Turbine Hall and the de-super heater Spray Control Valves on the boiler. These area’s had experienced major problems with valve gland leaks due to the units being subject to two shifting which causes thermal cycling, also with control valves being constantly operated. But since the Live Loading System has been installed the leakage problem has been reduced drastically to an absolute minimum during the 4 year running period, with little or no gland leaks occurring. This work is Carried out in conjunction with Doosan Babcock who manage the outage and have over a long period of time enjoyed a very good working relationship with Gee Graphite.                    

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