khia.belzona.com
KHIA headerKnow-How in Action

VOL XXXVI, NO 86

Bow Thruster Tunnels Repaired And Protected With Belzona

 
 

Industry:

Marine (MRNE)

 
 

Application:

Ships and Offshore Structures (SOS)

 
 

Customer Location:

Shipyard, TURKEY

 
 

Application Date:

October 2020

 
 

Application Situation:

Bow Thruster Tunnels of Ro-Ro Vessel

 
 

Problem:

Bow thruster tunnels surface has been damaged and metal loss occurred due to high cavitation environment of propeller projection area.

 
 

Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets SOS-01 and SOS-02. Application surface was prepared with SA2½ grit blasting by shipyard. Then the surface has been cleaned. Belzona 1311 was used to repair severely damaged surface. Belzona 1321 was applied on the propeller projection area to provide protection for future erosion-corrosion damages.

 
 

Belzona Facts:

Repairing damaged surfaces with Belzona is faster and cheaper than traditional methods. Belzona coating offers durable protection against seawater erosion/corrosion and cavitation environment. Belzona coatings extends the working life of the bow thruster tunnels.

 
 

Photographs Description

1. Bow Thruster Tunnels

2. Application of Belzona 1311 for Repairs

3. Application of Belzona 1321 Coating 

4. Cured Belzona 1321 Sponge Tested

 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 View PDF version 
 
 
For more information about Belzona visit: www.belzona.com