Articles & Case Studies

Borger’s pumps get de-sludging at Rushmoor

Posted: Friday 13th September 2013

Following a 12 month trial, rotary lobe pumps made by Borger have been installed by Severn Trent Water at its enhanced Rushmoor STW near Telford, as a way of improving wholelife costs.

Offering lower Capex, as well as reduced energy consumption compared to many other types of pump, a Borger rotary lobe unit was successfully trialled for sludge handling, ragging, wear and ease of maintenance-in-place.

Now installed in two Primary Settlement Tanks (50m long by 20m wide by 3.5m deep), currently undergoing refurbishment, Borger’s rotary lobe pumps are proving that they can handle onerous de-sludging duties.

Manjit Chadha, Programme Manager for the e5 Alliance, who are delivering a £6.5M Growth scheme at Rushmoor STW, commented:

“Whole life costs are very important to us, so we have looked closely at what is best for desludging of Primary Settlement Tanks (PSTs), which across the industry is always one of the most arduous sludge handling applications”.

He added: “Borger’s rotary lobe pumps provide key benefits such as simple Installation, easy access for blockage removal, easy overhaul (typically 1 hour), and a bi-directional function that eases blockage clearance. The pumps can also be run dry for short periods”.

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