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Belzona® Pump Coating Looks Excellent After 7-1/2 Years



Water / Wastewater (WATR)



Centrifugal Pumps (CEP)


Customer Location:

Industrial Wastewater Treatment Plant in Northwest Florida


Application Date:

February 1995


Application Situation:

Centrifugal pump



The spool was leaking and had to be replaced. Upon inspection of the pump it was discovered that the previous Belzona® 1321 coating, done 7-1/2 years ago, was in excellent condition except around the spool where damage had occurred.



Belzona® 1311 (Ceramic R Metal)

Belzona® 1321 (Ceramic S Metal)



Cast steel


Application Method:

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


Belzona Facts:

After 7-1/2 years of operation the original Belzona® 1321 erosion/corrosion resistant coating is in excellent condition. The damaged area was touched up and the pump put back in service, hopefully for another 7-1/2 years.


Photographs Description

  1. External view of the pit and pumps   
  2. Inside view of pump casing shows worn area of spool. The remainder of Belzona® 1321 coating, done 7 1/2 years ago, is in excellent condition.  
  3. Worn areas touched up with Belzona® 1311/1321 system
Case study pic one


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