KHIA header

VOL XXIII, NO 123

Suction Bells Restored With Belzona

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Power Plant, Missouri

 
 

Application Date:

May 2009

 
 

Application Situation:

Suction bells from two cooling water pumps.

 
 

Problem:

Erosion had caused serious loss of metal with holes completely through the substrate in places. Loss of effieciency and unscheduled downtime lead client to look at replacing the items. 

 
 

Products:

Belzona® 1311 (Ceramic R Metal)

Belzona® 1321 (Ceramic S Metal)

Belzona® 5811 (Immersion Grade)

 

Substrate:

Cast Iron

 
 

Application Method:

Bells were sandblasted to a white to near Application was carried out in accordance with Belzona System Leaflets CEP-3, CEP-4, and CEP-5. Belzona® 1311 applied to bring housing back to original dimensions. The internals were then coated with Belzona® 1321 and exterior with Belzona® 5811.

 
 

Belzona Facts:

Replacement for both suction bells would have been an estimated $90,000.00. Total for Belzona materials were $5,200.00; savings totaled $84,800.00.

 
 

Photographs Description

  1. Erosion clearly evident 
  2. Belzona® 1311 being applied 
  3. Belzona® 1321 applied to internal surfaces 
  4. Belzona® 5811 applied to external surfaces
 
 
  View PDF version  
 
 
For more information about Belzona visit: www.belzona.com