Positive Feedback on Belzona Application of a Secondary Clarifier
The secondary clarifiers at the Water Pollution Control Center were pitted and deteriorated due to chemical attack from the biological treatment process.
CASE
Pump Bearing Housing Repair in Situ
Problem
Upon removal of the top casing, the pump was inspected. It was determined that the bush seating was suffering from corrosion and wear and needed to be rebuilt.
Industry
Marine
Application Date
2017
Location
Ontario / Canada
Equipment Application
CEP-Centrifugal Pumps
Subtrate
Carbon Steel
Product
Belzona 1121 (Super XL-Metal)
Belzona 9411 (Release Agent)
Repair Stages
Application Situation
The problem was that the base of the pump was mounted under the floor in the vertical position and could not be removed. The bearing housing of the pump had to be repaired in-situ.
Application Method
A light weight former was pre-fabricated, which was coated with Belzona 9411(Release agent) to allow for eA light weight former was pre-fabricated, which was coated with Belzona 9411(Release agent) to allow for easier disassembly once the rebuilding material has cured. The damaged area was manually ground and cleaned prior to the application of there building material. Belzona 1121 (Super XL-Metal) was used as the rebuilding material. The product was mixed and applied over the damaged area and then the former was pressed against the product to achieve the desired dimensions. The former was removed after the product was fully cured.
Belzona Facts
The customer was unable to find a solution from any of their regular service trades, machine shops or marine repair facilities. None of them offered a solution that could be done in-situ without dismounting the pump. The customer had used Belzona in the past for different repairs, so they decided to contact Belzona Great Lakes for assistance.
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