Archimedes screw pump refurbishment Case Study: 027 A regular maintenance programme is helping Scottish Water to enhance the efficiency of its waste water treatment sites with the latest improvements being made to a pair of Archimedes screw pumps. The task of replacing the bottom bearings and re-screeding the concrete trough was completed by ECS Engineering Services, which is supported by the pump manufacturer Landustrie. Scottish Water is one of the largest operators of Archimedes screw pumps in the UK and maintaining them is an important task if the treatment works are to continue operating effectively. For one site near Hamilton, South Lanarkshire, a pair of Archimedes screw pumps had been identified as requiring new bottom bearings and remaking of the concrete troug

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