BELZONA PROTECTS MAIN CIRCULATION PUMP IN NUCLEAR POWER STATION

KHIA ID: 125
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Cast Iron
Customer Location: Nuclear Power Plant in Mexico
Application Date: September 1991
Products:

Belzona® 1311(Ceramic R-Metal)

Belzona® 1321(Ceramic S-Metal)

Belzona® 6111(Liquid Anode)

Belzona® 5811(Immersion Grade)

Problem: All the pump components suffered from erosion/corrosion due to the use of sea water as the cooling medium. The effects were exacerbated by entrainment, cavitation and bimetallic corrosion.
Photograph Descriptions
  1. Surface of pump prior to application of Belzona® 1311 showing damage  
  2. Applying Belzona® 1311   
  3. Components of pump ready for reassembly, external surfaces protected with Belzona® 5811
Application Situation
Main cooling water circulation pump
Application Method
In accordance with Belzona Know-How Leaflets CEP-5, CEP-3 and CEP-4.
Belzona Facts
Using the Belzona repair method cost the customer 30% more than using the conventional repair materials. Whereas the usual repairs lasted no more than a year before maintenance, this repair, completed nearly five years, ago is still intact. The saving to the customer, after the initial outlay of £60,000, is £45,000 and five days of downtime every year.
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Translated KHIAs:

贝尔佐纳(Belzona®) 保护核能电厂内的主循环泵