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VOL XI, NO 38

Belzona® Fabrication Of Rotary Lobes

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Positive Displacement Pumps (PDP)

 
 

Customer Location:

Wastewater Treatment Plant in Northwest Florida

 
 

Application Date:

September 1996

 
 

Application Situation:

Wemco-muniflo rotary lobe, pump Model RPD5

 
 

Problem:

Rotary pump lobes damaged by entrained solids.

 
 

Products:

Belzona® 2131 (D&A Fluid Elastomer)

Belzona® 2911 (Q.D. Conditioner)

Belzona® 4411 (Granogrip)

Belzona® 9411 (Release agent)

 

Substrate:

Steel

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How Leaflet PDP-9.

 
 

Belzona Facts:

Replacement cost is $1,000-$1,300 per lobe. Cost of fabricating lobes with Belzona's techniques is approximately $600 per lobe, saving the customer in excess of $600 per lobe.

 
 

Photographs Description

  1. Damaged lobes from pump.  
  2. A perfect mold is made from new lobe using Belzona technique.  
  3. New lobe casted with Belzona® 2131.  
  4. Inspection six months after installation shows no wear. One year after installation the lobes are operating perfectly.
 
 
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For more information about Belzona visit: www.belzona.com