Belzona Repairs Cavitation Damage To The Bulk Carrier Propeller Blades

Industry:

Marine (MRNE)

Application:

Ships and Offshore Structures (SOS)

Customer Location:

Shanghai, China

Application Date:

August, 2021

Application Situation:

Propeller blades

Problem:

Propellers on bulk carrier had severe cavitation damage on all four blades of propellers.

Products:

Belzona 1311 (Ceramic R Metal)

Belzona 1321 (Ceramic S Metal)

Substrate:

Brass

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet SOS-1 and SOS-2.

Belzona Facts:

Any polymeric repair solution that is subject to cavitation will be a lot more cost effective than welding and remachining. It is time consuming to braze bronze and requires higher skills to rebuild significant metal loss. Belzona systems were accepted by DNV Classification Society.

Photographs Description

1. Surface preparation with sandblasting

2. Rebuilding metal loss with Belzona 1311

3. Cavitation prevention with Belzona 1321

4. Complete application