BELZONA REBUILDS RUDDER PINTLE HOUSING
Industry: Marine (MRNE)
Application: SOS-Ships and Offshore Structures (SOS)
Substrate: Mild steel
Customer Location: Dry Docking Company - Vancouver, British Columbia - Canada
Application Date: September 1999
Belzona® 1311 (Ceramic R-Metal)
Belzona® 1321 (Ceramic S-Metal)
Problem: A breakdown of the seal had allowed seawater to enter the housing causing bi-metallic corro sion.
- View of coated rudder pintle one being inserted into the bore which has also been pre-coated.
- The pintle now completely inserted and extruded material removed.
- The pintle removed showing reformed bore giving 100% contact with the pintle.
The rudder pintle housing was oversize and needed to be rebuilt
Application carried out in accordance with Belzona Know-How System Leaflet SOS-3.
Rebuilding rudder pintle housing in this manner has three major advantages over a conventional repair.It eliminates stress cracking as no heat is involved.It reduces dry docking time andIt solves the problem of bi-metallic corrosion.