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VOL XV, NO 31

Belzona® Repairs Large Vacuum Pump Rotor

 
 

Industry:

Pulp & Paper (PLPR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Paper mill in Portugal

 
 

Application Date:

1998

 
 

Application Situation:

Nash vacuum pump rotor.

 
 

Problem:

Contamination of the water seal with chemicals and pulp accelerating the erosion - corrosion of the rotor leading to a loss in pump efficiency.

 
 

Products:

Belzona® 1111 (Super Metal)

Belzona® 1341 (Supermetalglide)

 

Substrate:

Cast iron

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet CEP-1 and CEP-3.

 
 

Belzona Facts:

The Belzona application was carried out at a fraction of the cost of a new unit. The erosion-corrosion resistance of Belzona® 1341 has extended the life of the pump well beyond that of an unprotected unit.

 
 

Photographs Description

  1. The degraded rotor with metal framework welded on
  2. The rotor rebuilt to original dimensions with Belzona® 1111
  3. The final touches being put to the Belzona® 1341 coating
 
 
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For more information about Belzona visit: www.belzona.com