Pumps Move in at the Minster
Jul 26 2013
Primary Sludge Pumps from Borger (Germany) are helping Dwr Cymru Welsh Water deal with heavy ragging and varying thicknesses of sludge at its WWTW serving the market town of Leominster in Herefordshire.
Following a successful trial, two 5.5kW Borger MIP (Maintenance-In-Place) PL200 pumps have replaced old diaphragm units that regularly tripped on high pressure and broke down, causing lengthy maintenance and downtime.
Installed and commissioned by Borger, the new PL200 pumps have to deal with considerable ragging and unpredictable thicknesses of sludge at Leominster, as Tony Nottage, Project Engineer for Dwr Cymru Welsh Water, explains: “Borger’s pumps are proving very reliable. They cope well with the rags and sludge at Leominster, as well as reducing downtime with the Maintenance-In-Place design that makes servicing so much quicker and easier”.
Dwr Cymru Welsh Water has also worked with Borger to improve maintenance and operational procedures at its wastewater treatment works in Llanfoist near Abergavenny. One of the key roles for Börger as main contractor was to achieve (without cavitation) the long suction distance of drawing 4-6% sludge (from four separate lagoons) through more than 130 metres of pipework, compared to suction lifts of just 2-3 metres in typical applications.
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