The service is Sodium Hypochlorite 0.2 % and seawater. We experienced impeller vane fracture, and other vane cracking at leading edge and casing cracking. There are quality issues such as porosity, inclusions, deep cracks and coating pealing off at different location. Also, the vane inlet and...
[/b]What is the main reasons for top entry agitator mixer bottom bearing failures? The agitator shaft is approx. 8 meters long and diameter is 240 mm. The motor driver is 90 kw. Most of the failures were excessive wear in the Teflon bushing and steel sleeve. One incident the bottom of the...