KHIA headerKnow-How in Action

VOL X, NO 3

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

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Industrial Wastewater Treatment Plant in Northwest Florida

 
 

Application Date:

February 1995

 
 

Application Situation:

Centrifugal pump

 
 

Problem:

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.

 
 

Products:

Belzona® 1311 (Ceramic R Metal)

Belzona® 1321 (Ceramic S Metal)

 

Substrate:

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

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com