KHIA headerKnow-How in Action

VOL XXVI, NO 6, ELITE

Longevity Pump Repair With Belzona

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

District heating station, Sweden

 
 

Application Date:

1998 and 2011

 
 

Application Situation:

Pumps used to circulate district heating water in Stockholm.

 
 

Problem:

The pumps suffered from severe erosion/corrosion as they transport hot water at temperatures of 90-100 °C.

 
 

Products:

Belzona® 1391 (Ceramic HT)

 

Substrate:

Cast Iron

 
 

Application Method:

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

 
 

Belzona Facts:

The pumps had been in continuous use to provide the southern part of Stockholm with heat. After 13 years the pump was stripped to replace a seal and the coating was still as good as new and no effects from temperature or erosion could be seen.

 
 

Photographs Description

  1. View of the pump
  2. 3. & 4. Before cleaning after 13 years in service
 
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