In 2000, Pump Systems Ltd was called on to participate in the upgrade of a large wastewater treatment plant in New Zealand, where existing gas mixing equipment operating on the seven 30 metre diameter digesters was to be replaced with a simpler, more efficient means of mixing. A total of eight large Vaughan model H10P12 … Continue reading Large Vaughan chopper pumps stand the test of time handling abrasive sludge at Mangere WWTP