KHIA headerKnow-How in Action

VOL XXIX, NO 38

Belzona® Saves Wastewater Grit Pump

 
 

Industry:

Fluid Flow (FLOW)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Montana, USA

 
 

Application Date:

1986

 
 

Application Situation:

Wastewater grit pump.

 
 

Problem:

This grit pump got extremely worn and had been rebuilt with an alternative method, which lasted only 3 months.

 
 

Products:

Belzona 1311 (Ceramic R-Metal) 

Belzona 1811 (Ceramic Carbide) 

Belzona 2111 (D & A Hi-Build Elastomer) 

 

Substrate:

Cast Iron

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets CEP-3 & CEP-5. The threads that were worn through were rebuilt with Belzona 1311. The bowl was lined with Belzona 1811. The end cover was rebuilt with Belzona 2111 as a comparison to Belzona 1811.

 
 

Belzona Facts:

A replacement pump was very expensive. The previous rebuild had washed out in three months. After Belzona's solution, the pump was opened for inspection 6 months later and found to be in perfect condition.

 
 

Photographs Description

  1. Pump bowl with threads rebuilt
  2. Pump bowl coated with Belzona 1811
  3. End cover showing wear
  4. End cover with Belzona 2111 formed in place; excess needs to be trimmed
 
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