REFURBISHMENT OF LARGE DIFFUSER PUMPS WITH BELZONA

KHIA ID: 3887
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Cast iron
Customer Location: Power station, Northern Ireland
Application Date: 2010
Products:

Belzona® 1111 (Super Metal)

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1341 (Supermetalglide)

Belzona® 5811 (Immersion Grade)

Problem: The pumps, each weighing over eleven tonnes without the motor, were failing to deliver sufficient flow to satisfy customer demand.
Photograph Descriptions
  1. One of the diffuser pumps after disassembly
  2. Degree of damage clearly evident on the diffuser vanes
  3. Coated diffuser vanes
  4. Coating of the pump internals and bell mouth with Belzona® 1341 and Belzona® 5811 externally
Application Situation
Two 48” cooling water circulating pumps
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflets CEP-1, 3, 4 & 5.
Belzona Facts
After refurbishment, the pumps were returned to the power station, where they were installed, aligned and commissioned. Both pumps were returned to service within an eight week period and within budget. The customer has expressed his great satisfaction with the service provided and is already reaping the benefits of the newly coated pumps.
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