KHIA headerKnow-How in Action

VOL XXVIII, NO 77, ELITE

Repair And Coating For A Boiler Feed Pump

 
 

Industry:

Heating, Ventilation & Air Conditioning (HVAC)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Windsor, Ontario, Canada

 
 

Application Date:

December 2012

 
 

Application Situation:

Boiler feed pump.

 
 

Problem:

After 3 to 4 months in use the boiler feed pump was suffering from general corrosion/erosion and the metal shavings in the feed eventually would lead to a through hole in the casing.

 
 

Products:

Belzona 1391 (Ceramic HT)

 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet CEP-5 for repair of general erosion damage. The surface was prepared by grinding the entire surface to be coated. Belzona 1391 was applied with a stiff bristle brush as a two coat system in accordance with the Belzona Instructions For Use.

 
 

Belzona Facts:

Belzona 1391 has been designed to operate under  continuous immersion of temperatures up to 120°C (248°F) as the boiler feed was working at a temperature of 93°C (200°F). Fifteen months (March 2014) after application the system is in great working order with no corrosion/erosion or holes.

 
 

Photographs Description

  1. Boiler feed pump prior to application
  2. Preparation completed
  3. Application completed
  4. Fifteen months after application.
 
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