Belzona Brings New Life to an Alstom Sea Pump Turbine

KHIA ID: 8788

Industry: Power (POWR)
Application: PDP-Positive Displacement Pumps (PDP)
Substrate: Cast Iron

Customer Location: Jorf Lasfar, Morocco
Application Date: November 2020

Products:
Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

Problem: The leading edges of the vanes were severely damaged due to erosion and corrosion, along with the bearing housing of the turbine.

Photograph Descriptions

1). Original damaged state of the turbine.

2). Rebuilding of the leading edge on the vanes.

3). Rebalancing of the Turbine.

4). Completed application of the Turbine.

Application Situation

Alstom sea pump turbine at a Thermal Power Plant.

Application Method

The leading edges of the vanes were rebuilt using Belzona 1311 and the turbine was then rebalanced to ensure optimum operating efficiency without causing residual wear to any auxiliarry equipment. These were then coated using Belzona 1321 to provide erosion-corrosion protection. The bearing was also repaired to it's original profile to ensure a perfect fit with the turbine shaft. The application was carried out in accordance with Belzona System Leaflet PDP-03 & PDP-05.

Belzona Facts

The turbine is still in service today and is holding up well to it's operational environment - the customer therefore approves of the quality of the repairs and durability of the Belzona products used.

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