KHIA headerKnow-How in Action

VOL XXII, NO 144

Belzona® Provides Cavitation Protection To Pump Impeller

 
 

Industry:

Petrochemical (PETR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Chemical plant, Italy

 
 

Application Date:

January 2007

 
 

Application Situation:

Coating for new impeller

 
 

Problem:

Impellers lasting only 6 months before showing heavy cavitation leading to excessive noise and ultimately loss of balance necessitating replacement.

 
 

Products:

Belzona® 1341 (Supermetalglide)
Belzona® 2141 (ACR Fluid Elastomer)
 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet CEP-3

 
 

Belzona Facts:

Original impellers being replaced after 6 months. Belzona coated impeller inspected after more than one year and still in excellent condition.

 
 

Photographs Description

  1. Blasted Surface
  2. Coated with Belzona® 1341
  3. First coat of Belzona® 2141 (black) applied 
  4. Application completed with a second coat of Belzona® 2141 (green)
 
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