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VOL XXIII, NO 125

Cavitated Pump Diffuser Restored With Belzona

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Theme Park, (Southeast) Virginia

 
 

Application Date:

March 2009

 
 

Application Situation:

Theme park pond pump performing below requirements.

 
 

Problem:

Cavitation had caused severe metal loss to pump impeller and diffuser. New impeller was available but no diffuser available.

 
 

Products:

Belzona® 1111 (Super Metal)

 

Substrate:

Cast Iron

 
 

Application Method:

Application wascarried out in accordance with Belzona System Leaflet CEP-1. Pump shop tack welded "rebar" into deeply cavitated areas. Belzona® 1111 applied to replace lost metal. Belzona machined to original diffuser dimensions.

 
 

Belzona Facts:

Old pump and new diffuser not available. $450 of Belzona used to quickly and effectively repair this valuable component.

 
 

Photographs Description

  1. Severely cavitated diffuser
  2. Diffuser blasted and rebar tack welded in place
  3. Belzona® 1111 application
  4. Completed repair
 
 
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For more information about Belzona visit: www.belzona.com