KHIA headerKnow-How in Action

VOL XXXI, NO 107

Belzona® Rebuilt Marine Jet Drive Propulsion Units

 
 

Industry:

Marine (MRNE)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

BC, Canada

 
 

Application Date:

August 2001

 
 

Application Situation:

Jet drive propulsion units

 
 

Problem:

Bi-metallic corrosion had eroded much of the metal despite the placement of sacrificial zinc anodes on side of units.

 
 

Products:

Belzona 1111 (Super Metal)

Belzona 1341 (Supermetalglide)

 

Substrate:

Cast Aluminum

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets CEP-3 and CEP-5.

 
 

Belzona Facts:

The repair of these units using Belzona was less than the cost of replacement with new units, which saved the fire department many thousands of dollars.

 
 

Photographs Description

  1. Units after blasting showing extent of erosion with center and outer locating ring rebuilt.
  2. Rebuild of other areas in progress using flexible plastic forms and G-clamps.
  3. All rebuilding completed with filing and sanding in progress to ensure smoothness.
  4. Application completed with units protected with 2 coats of Belzona 1341.
 
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