BELZONA REPAIRS THIS VACUUM PUMP AND INCREASES ITS EFFICIENCY
Industry: Power (POWR)
Application: MPT-Mechanical Power Transmission (MPT)
Substrate: Cast iron and steel
Customer Location: Fossil fuel power station in Australia
Application Date: November 1993
Products:
Belzona® 1131
Belzona® 1341 (Supermetalglide)
Problem: Corrosion damage to the end covers and impeller, as well as heavy souring of the gland packing locations on the impeller shaft caused insufficient vacuum pumping and loss of pressure.
Photograph Descriptions
- Scored area of the shaft
- Undercoat area of the damaged shaft
- Application of Belzona® 1131
- The rebuilt shaft after machining of Belzona® 1131
Application Situation
Water ring vacuum pump for main condenser.
Application Method
The application was carried out in accordance with Belzona Know-How System Leaflets MPT-1 and CEP-7.
Belzona Facts
Customer achieved an increase in efficiency. In particular the end covers were rebuilt with Belzona® 1131 for additional security in service. As the clearances increase between the vanes of the rotor and the end covers, the Belzona® 1131 will prevent hang up, and provide a smooth hydrodynamic surface.
