Following a six month trial at Howdon Sewage Treatment Works, Northumbrian Water is set to replace four troublesome pumps with FL776 rotary lobe units made by Borger.
Initially, a Borger pump with optimum rotors was put to work in the heavy rag application, transferring sludge from a holding tank to an AD plant.
“We wanted to improve this part of our process with a pump that would perform with suitable effectiveness, but also be far more reliable and easier to service than what we were using,” said Colin Davison, mechanical maintenance team leader at Northumbrian Water. “Over a sustained six month period, the Borger FL776 proved conclusively that it is more than capable of handling this tough application, with the bonus that its maintenance-in-place design makes it much easier and far less time consuming to service than other pumps.”
To help reduce costs for Northumbrian Water, Borger will be reusing the 30kW drives from the original pumps.
Source: Crosland Media
