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VOL XV, NO 38

Belzona® Returns This 20-Year-Old Pump To Like New Condition

 
 

Industry:

Power (POWR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Electrical utility plant in San Antonio, Texas U.S.A.

 
 

Application Date:

November 2001

 
 

Application Situation:

The pump had been in service for 20 years and was inspected during a planned outage.

 
 

Problem:

The pump was heavily scaled and had significant corrosion.

 
 

Products:

Belzona® 1111 (Super Metal)

Belzona® 1341 (Supermetalglide)

Belzona® 5811 (Immersion Grade)

 

Substrate:

Brass and cast iron

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets CEP-3, CEP-4, CEP-10.

 
 

Belzona Facts:

The pump was grit blasted and cleaned. Belzona® 1341 was applied to the pump volute, impeller and the inside surfaces of the flow diffuser. Belzona® 5811 was applied to the outside of the volute, the diffuser and the connecting pieces after which Belzona® 1111 was used to rebuild the worn areas on the diffuser and connecting pieces.

 
 

Photographs Description

  1. The pump diffuser connecting piece prior to the application
  2. Blasted with Belzona® 1111 applied
  3. The pump piece has been coated with Belzona® 1341
 
 
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For more information about Belzona visit: www.belzona.com