VOLUTE PUMP INTERNAL LINING REPAIRED WITH CHEMICAL RESISTANT PROTECTIVE COATING

KHIA ID: 8557
Industry: Power (POWR)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: CARBON STEEL
Customer Location: POWER PLANT RAS LAFFAN QATAR
Application Date: DECEMBER 2020
Products:

BELZONA 1111 (SUPER METAL) AND BELZONA 4311 (MAGMA CR1)


Problem: INTERNAL LINING WAS SEVERELY DAMAGED, GENERAL CORROSION ALL OVER THE SURFACE IS EVIDENT AND DEEP PITTING ON INLET SITTING AREA AND ON OUTLET FLANGE FACE
Photograph Descriptions

1) APPEARANCE OF THE PUMP BEFORE BLASTING

2) PUMP AFTER BLASTING

3) DURING COATING APPLICATION

4) APPLICATION COMPLETE WITH BELZONA 4311

Application Situation
THE VOLUTE PUMP HAS BEEN RUNNING FOR 3 YEARS WITHOUT INTERRUPTION, RESULTING TO FAILURE OF EXISTING INTERNAL COATING
Application Method
SURFACE PREPARATION BY GRIT BLASTING IS CARRIED OUT TO REMOVE RUSTS AND CORROSION RESIDUES AS WELL AS TO EXPOSE UNFORSEEN PITTING TO EVALUATE THE AMOUNT OF CAULKING MATERIAL TO BE USED. REBUILDING APPLICATION ON ALL EXPOSED PITTING TAKES PLACE AFTER BLASTING IS COMPLETED AND CURED FOR 2 HOURS. AFTER CURING, SWEEP BLASTING HAS BEEN CONDUCTED ALL OVER THE SURFACE WHICH INCLUDES THE SURFACE OF THE REBUILDING MATERIAL, FOLLOWED BY APPLICATION OF BELZONA 4311 CHEMICAL RESISTANT COATING IN TWO COAT SYSTEM.
Belzona Facts
USING BELZONA CHEMICAL RESISTANT PRODUCTS PROVIDES LONGER LASTING PROTECTION, COST EFFECTIVE AND EASY TO APPLY. IT HAS BEEN PROVEN TO THIS COMPANY FOR SEVERAL YEARS AS ONLY BELZONA MATERIAL GIVES THE CLIENT A FULL SATISFACTION AND THE COST OF BELZONA REPAIR IS MORE COMPETITIVE THAN OTHER SOLUTIONS WHICH MAKES THE CLIENT HAPPIER CONSIDERING THAT THE PUMP WILL NOT BE REPLACED WITH NEW ONE WHICH WILL COST THEM THOUSANDS OF DOLLARS.