KHIA headerKnow-How in Action

VOL XVII, NO 2, ELITE

Classic Belzona® Pump Refurbishment-Output Increases 9.5% After 3½ Years

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

National water supply company in Tunisia

 
 

Application Date:

September 2002

 
 

Application Situation:

Two badly corroded/cavitated centrifugal KSB water supply pumps.

 
 

Problem:

Output from the pumps was drastically reduced from the new condition due to corrosion and cavitation damage.

 
 

Products:

Belzona® 1111 (Super Metal)
Belzona® 1341 (Supermetalglide)

 

Substrate:

Cast Iron

 
 

Application Method:

Application was carried out in accordance with Belzona System Leaflets CEP-2 and CEP-10.

 
 

Belzona Facts:

Flow rate of New Pump - 540 L/sec (142 gal/sec) Flow rate of damaged pump - 480 L/sec (126 gal/sec) Flow rate of repaired pump - 540 L/sec (142 gal/sec), an increase of more than 12% over the corroded pump. After 3-1/2 years, the flow rate of the repaired pump is 530 L/sec (140 gal/sec), an increase of more than 9.5% over the corroded pump.

 
 

Photographs Description

Damaged pump  Neck ring seats restored to original sizes  Complete repair  Coating in good condition after 3-1/2 years of service

 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com