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Belzona® Protects Pipe Elbows From Abrasion



Mining and Quarrying (MINQ)



Solids Handling Machinery (SHM)


Customer Location:

Copper and Gold Mining Operator, Bulgaria


Application Date:

March - June 2009


Application Situation:

6 and 4 inch (150 mm and 100 mm) diameter back-fill pipe elbows with  different curves (11, 45 and 60 degree).



Severe abrasion damage on inside surfaces of the pipe elbows.



Belzona® 1811 (Ceramic Carbide)Belzona® 1812 (Ceramic Carbide FP)





Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet SHM-8. Belzona® 1811/1812 have been used to protect elbows from further abrasion attacks. Application was either internal coating (for 6 inch diameter) with Belzona® 1812 or external bonding of metal doubler plates (for 4 inch diameter) with Belzona® 1811.


Belzona Facts:

Previously customer had to replace non-protected elbows every three-five days or to use expensive but unsuccessful welding. Pipe elbows have been and continue to be protected with Belzona, increasing the working live to more than a month. As a result the customer saved money on replacement costs.


Photographs Description

Abrasion damage clearly viewable after blastingApplication of internal protective coatingExternal bonding of metal doubler platesFinished protected pipe elbow

Case study pic one


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 Case study pic four


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