Thanks a lot for of your feedback. We verified with the sodium hypochlorite system licenser and he confirmed that the concentration is of sodium hypochlorite 0.2 % and the vapor pressure is 1.7 kpa.a which is very low. The suction tank is continuously vented by blower.
Thanks for your valuable feedback. The suction pressure is taken down stream of the strainer. I will consider your comments and investigate the cavitation issue in more details.
Dear All. Thanks a lot for your valuable feedback. I will Try to answer some of your questions. The data sheet say about the fluid is Sodium hypochlorite 0.2 % and seawater. The vendor in a conference call has no explanation to the same question also raised by our non-metallic material engineer...
Our IT system prevent me to upload photos. The vendor name is Affetti and the model is CFG and the size is 10x8x15. There are a lot of technical details about this model in the internet. The material is FRP-VES for seawater with fiber glass reinforcing and Vinyl Ester resin, the manufacturing...
New pumps. We have 4 pumps 2 continuous operation and 2 on intermitted operation. The vibration is 4 mm/s which is within vendor manual 6 mm/s. There is no up normal noise. The pumps are operated very close to rated point and within motor rated current.
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...
