Search Our Know-How in Action Case Studies

Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : The tube bundle and end cover of a heat exchanger at a local refinery was badly eroded.

Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1121 (Super XL Metal)

Belzona® 1341 (Supermetalglide)

Problem : Corrosion problems were beginning on the tube sheet and end covers.

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1121 (Super XL-Metal)

Belzona® 5811 (Immersion Grade)

Belzona® 2211 (MP Hi-Build Elastomer)

Problem : The power plant was sold under California's power industry de-regulation and was scheduled to be dismantled. The current energy crisis caused it to be...

Date Created: 10/16/2009
Industry: Water / Wastewater (WATR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1511 (Super HT-Metal)

Belzona® 1391 (Ceramic HT Metal)

Problem : Breakdown of the original coating system had resulted in severe corrosion, deep pitting and through holes around the heating bundle. In addition the c...

Date Created: 4/1/2008
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1311 (Ceramic R-Metal), Belzona 1321 (Ceramic S-Metal), Belzona 1341 (Supermetalglide), Belzona 5811 (Immersion Grade)
Problem : Corrosion problems were beginning on the tube sheet and inlet tubes (75 mm).

Date Created: 10/13/2011
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1341 (Supermetalglide)

Belzona 5811 (Immersion Grade)

Problem : The client wanted to protect new tube sheets against bimetallic corrosion and tubes against corrosion/erosion. Also required to protect the condenser ...

Date Created: 5/16/2016
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1511 (Super HT-Metal)

Belzona 1593

Problem : The brine heat exchangers operate at up to 138°C and are prone to rapid corrosion. The water box, separator channels and tube face had all suffered ex...

Date Created: 5/18/2016
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1511 (Super HT Metal)

Belzona 1391 (Ceramic HT)

Problem : This Propylene heat exchanger operates at up to 120°C and the tube face had suffered severe galvanic and pitting corrosion. The separator channels and...

Date Created: 5/23/2007
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona® 1321 (Ceramic S-Metal), Belzona® 1311 (Ceramic R-Metal),
Problem : The leaks caused a rise in the condensate return water silicon content from 200 ppm to 4,600 ppm which in turn contaminates the boiler and contributes...

Date Created: 11/22/2005
Industry: Marine (MRNE)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Both the inlet and outlet pipes on the cooler were totally corroded through with large holes in the body of the cover.

Date Created: 5/22/2007
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S Metal)

Problem : Heat exchanger was suffering bimetallic corrosion (copper tubes, steel tube sheet and cast iron covers), causing leakage on the tube sheet.

Date Created: 8/1/2007
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Corrosion threatened the life of the chiller. With tight budgets the loss of a chiller would be unacceptable.

Date Created: 3/15/2012
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S Metal)

Problem : Severe galvanic corrosion on the flange face and tube sheets of heat exchangers.

Date Created: 2/11/2011
Industry: Marine (MRNE)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Severe erosion and galvanic corrosion between copper tubes and steel tube sheet.

Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Erosion-corrosion on all water side components. Particularly deep erosion on tube sheet around the tubes.

Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Corrosion of end covers, water box and tube sheet due to brackish water used for cooling.

Date Created: 8/5/2005
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1591 (Ceramic XHT-Metal)

Problem : Hole in a tube sheet due to erosion and galvanic corrosion between copper tubes and steel tube sheet.

Date Created: 8/19/2005
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : After 40 years in service the oil coolers were suffering from severe corrosion.

Date Created: 8/29/2005
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : The flange of the heat exchanger was corroded preventing correct sealing.

Date Created: 9/26/2005
Industry: Marine (MRNE)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 5891 (HT Immersion Grade)

Belzona® 1111 (Super Metal)

Problem : Corrosion-erosion of inside vane, outside flanges and stud threads.

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1341 (Supermetalglide)

Problem : As the headers feed water through main turbine cooling system, erosion/corrosion damage to divider plates and interior surface occurs.

Date Created: 9/3/2018
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 (Super Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : THe tube sheet was severely corroded.

Date Created: 9/28/2013
Industry: Steel & Metal Processing (STEL)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R Metal)

Belzona 1391 (Ceramic HT)

Problem : Heat exchangers were suffering from electrochemical corrosion. Gaps occured between tube sheet and tubes and cooling water and oil started to mix.

Date Created: 3/20/2014
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : Due to the operational environment of the plant the Chiller was expected to suffer constant corrosion during operation if not protected. Based on th...

Date Created: 4/20/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : Tube sheet was badly corroded and gas leaks were occurring.

Date Created: 7/9/2014
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1391 (Ceramic HT)

Problem : Problems due to high temperatures and erosion caused by particle flow

Date Created: 3/31/2020
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 (Super-Metal)

Belzona 1391 (Ceramic-HT)

Problem : The tube sheet needs protection from high-temperature corrosion, chemical corrosion and bimetal corrosion to prevent further metal loss. Otherwise, it...

Date Created: 9/12/2011
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Galvanic corrosion on internal surfaces, particularly tube sheet and end covers.

Date Created: 11/5/2012
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1321 (Ceramic S Metal)

Problem : Original coating on tube sheet had failed. Replacement required to prevent future corrosion.

Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : The tube sheet had suffered erosion/corrosion damage to the extent that three tubes no longer made contact with the sheet.

Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1591

Problem : Severe erosion-corrosion of the tube sheet and end cover caused by the hot Hydrocarbon mixture.

Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1321 (Ceramic S-Metal)

Problem : Light damage and erosion on the leading edge of the blades reduces the overall efficiency and operation of the cooling system.

Industry: Sugar (SUGR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R- Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Erosion/corrosion of around tubes on tube sheet surface. Operation of heater proved ineffective and presented a safety hazard.

Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 5811 (Immersion Grade)

Problem : Basins were deteriorated due to attack from chemically treated water. Left unchecked the concrete would continue to degrade and eventually result in l...

Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Belzona® 9411 (Release Agent)

Problem : Years of erosion/corrosion had deteriorated the divider bars causing bypass and inefficiency.

Date Created: 8/18/2005
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1341 (Supermetalglide)

Problem : Corrosion of the tube sheet and water box.

Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : The tube sheet was badly eroded/corroded. There were numerous leaks between the tubes and the tube sheet.

Date Created: 7/5/2005
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1321 (Ceramic S-Metal)

Problem : Bi-metallic corrosion between the tubes and the tube sheet had caused Freon leakage.

Date Created: 5/9/2005
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 4111 (Magma-Quartz)

Problem : Lack of sufficient mixing of acid used for pH control in cooling tower water caused concrete deterioration on critical support members of cooling towe...

Date Created: 6/13/2005
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1321 (Ceramic S-Metal)

Problem : Corrosion of the tube sheets of two condensers.

Date Created: 3/14/2011
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1511 (Super HT Metal)

Problem : There was a lot of leakage between tubes and sheet due to galvanic corrosion.

Date Created: 10/2/2009
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1391 (Ceramic HT) 

Problem : Severe corrosion occurring due to source water. corrosion rate estimated at 0.05” (1.25mm) per year.

Date Created: 11/14/2009
Industry: Buildings & Structures (BSTR)  |  Application: CEP-Centrifugal Pumps (CEP)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Erosion corrosion protection required on tube sheets to prevent further loss of metal thacould otherwise lead to leakage, loss of efficiency and conta...

Date Created: 12/4/2009
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1321 (Ceramic S-Metal)

Problem : Previous uncoated condenser was destroyed by erosion/corrosion.  A new condenser was manufactured and the decision made to protect it with Belzona.

Date Created: 4/13/2006
Industry: Military (MILI)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona® 1111 (Super Metal)
Problem : Erosion corrosion had caused hole in the shell of the cooler. Location and timescale made replacement impossible.

Date Created: 1/3/2006
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Holes and cracks had appeared on the end covers due to freezing water.

Date Created: 7/23/2007
Industry: Buildings & Structures (BSTR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Years of service had caused extensive corrosion on the chiller tube sheet face.

Date Created: 12/29/2017
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1121

Belzona 1321

Problem : Customer had 3 large Trane chillers, about 30 years of age. Due to inefficiency of older models, the Customer is gradually replacing them with new mo...

Date Created: 3/1/2024
Industry: Buildings & Structures (BSTR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1121 (Super XL-Metal), Belzona 1321 (Ceramic S-Metal)
Problem : New chillers required protection before being put into service.

Date Created: 5/6/2020
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1593

Problem : The Crude oil heat exchangers operate at up to 110°C and are prone to rapid corrosion. The separator channels and tube face can all suffer extreme cor...

Date Created: 9/7/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : All ten heat exchangers had been replaced just one year ago. The covers were stainless steel but were welded with a carbon steel rod, setting up elect...

Date Created: 9/7/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : One year old tube sheets were already leaking around the tubes. Electrolysis has eaten away much of the tube sheet and plate.

Date Created: 12/15/2009
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1391 (Ceramic HT)

Problem : Due to the high temperature liquids, the sealing areas were eroded and corroded. Flanges, tubesheet and water box have been further damaged by corrosi...

Date Created: 4/11/2008
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R Metal)

Belzona® 1321 (Ceramic S Metal)

Problem : Corrosion on tubesheets (4) from one of the chillers was noticed in 2005. Cooling water comes from a local lake which together with galvanic effects w...

Date Created: 2/5/2010
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal) 

Belzona® 1321 (Ceramic S Metal)

Problem : Inspection during the plant shutdown, showed severe corrosion on the heat exchanger with poor sealing on division bars and seal faces.

Date Created: 8/25/2010
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 5891 (HT Immersion Grade)

Problem : These units required corrosion protection. They were designed to operate with sea water at 70°C.  

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 5811 (Immersion Grade)

Problem : Previous coatings had failed in a very short time. Loss of imitator coating and severe corrosion were causing the blockage of tubes, thus reducing eff...

Date Created: 5/10/2005
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 2211 (MP Hi-Build Elastomer)

Belzona® 2221 (MP Fluid Elastomer)

Problem : Leaking water was causing economic concerns. The old joint sealants had worn down and ground movement caused leaks in the concrete floor and walls.

Date Created: 11/22/2005
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona® 1311 (Ceramic R-Metal)
Belzona® 1321 (Ceramic S-Metal)
Problem : Corrosion of tube sheet and the end covers.

Industry: Pulp & Paper (PLPR)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona® 5111 (Ceramic Cladding)

Problem : The structures were damaged from exposure to fumes and vapors inherent to the plant.

Industry: Pulp & Paper (PLPR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1391

Problem : Erosion/corrosion of the tube sheet due to hot caustic (black liquor at 185ºF) and galvanic corrosion due to dissimilar metals.

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1121 (Super XL-Metal)

Belzona® 1341 (Supermetalglide)

Problem : Years of erosion-corrosion on uncoated turbine cooler parts forced this customer to seek a repair solution as opposed to the high costs associated wit...

Industry: Sugar (SUGR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1391

Problem : Extensive corrosion pitting.

Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R-Metal)

Problem : Small pin holes had developed in the heat exchanger plates

Industry: Pulp & Paper (PLPR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1391

Problem : Erosion / corrosion of the tube sheet due to hot caustic black liquor at approximately 185ºF and galvanic corrosion between the stainless steel tubes ...

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 3121 (MR7)

Belzona® 3921 (GSC Surface Conditioner)

Belzona® 9311 (Reinforcing Sheet)

Problem : Leaking joints prevented tower de-icing system to function properly, resulting in ice damage to concrete tower.

Industry: General Industry (GIND)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona® 1391

Problem : MDEA is used at a temperature of 120°C (250°F) in this absorber and severe corrosion is experienced.

Date Created: 3/6/2024
Industry: Steel & Metal Processing (STEL)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal), Belzona 1321 (Ceramic S-Metal)
Problem : Galvanic corrosion on the tube face, caused by contact of 2 dissimilar metals.

Date Created: 11/26/2018
Industry: Food & Drink (FOOD)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1391T 

Belzona 1511 (Super HT-Metal)

Problem : Erosion-corrosion wear caused by having no protective coating before the heat exchanger started its service life.

Date Created: 2/7/2019
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 (Super Metal)

Belzona 1391T

Belzona 9411 (Release Agent)

Problem : Tube sheets, water boxes and end covers were subject to high erosion-corrosion. As a result of galvanic corrosion and chemical attack, they were sever...

Date Created: 4/18/2019
Industry: Fluid Flow (FLOW)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1391T

Problem : The tube sheet and some of the tubes have been severely damaged due to a combination of chemical and erosive attack. The loss of material causes a red...

Date Created: 5/18/2021
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1221 (Super E-Metal)

Belzoan 9341 (Reinforcement Tape)

Belzona 1311 (Ceramic R-Metal)

Belzona 1341 (Supermetalglide)

Problem : Seawater had severely corroded this end cover causing very thin wall conditions leading to holing. Holes were more pronounced after grit blasting. The...

Date Created: 7/18/2025
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1311 (Ceramic R-Metal), Belzona 1391 (Ceramic HT), Belzona 9111 (Cleaner Degreaser)
Problem : One of our offshore clients reported a case of corrosion affecting their heat exchanger (HEX) equipment. The root cause was identified as prolonged ex...

Date Created: 9/15/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1321 (Ceramic S-Metal)

Problem : Corrosion caused by the chemicals in the system were eating away the tube sheet and end cover.

Date Created: 9/17/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 (Super Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : Pitting corrosion and bi-metallic corrosion caused leakage.

Date Created: 2/20/2014
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1331

Belzona 2211 (MP Hi-Build Elastomer)

Problem : The tubesheet had suffered from bimetallic corrosion around the tubes and at the edges of the tubesheet as well as metal loss due to erosion.

Date Created: 9/27/2018
Industry: (LOMU)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 9111 (Cleaner Degreaser) Belzona 1111 (Super Metal) Belzona 5892

Problem : Sealing problem between the tubes and the tubular sheet on these heat exchangers due to a bad tube expansion, 50% of the tubes were leaking.

Date Created: 1/29/2016
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1391T 

Belzona 9411 (Release Agent)

Problem : Surface of the tube sheets were badly corroded and required recovery and protection to stop unwanted leakages.

Date Created: 3/30/2017
Industry: Marine (MRNE)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1212

Belzona® 1321 (Ceramic S-Metal)

Problem : These aluminium chiller units had suffered severe pitting and metal loss caused by microbial attack and bi-metallic corrosion. The newly commissioned ...

Date Created: 9/11/2015
Industry: Buildings & Structures (BSTR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 2911 (Elastomer QD Conditioner)

Belzona 9341 (Reinforcement Tape)

Belzona 2131 (D & A Fluid Elastomer)

Problem : Towers were leaking around seams and protrusions.

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : The unit was severely damaged and leaking as a result of bimetallic corrosion.

Date Created: 7/5/2005
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® Marine Metal

Belzona® 1321 (Ceramic S-Metal)

Problem : Shell and dished end were highly corroded due to chemical attack that resulted in critical wall thickness reduction in the shell.

Date Created: 11/5/2012
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1311 (Ceramic R Metal)

Belzona® 1341 (Supermetalglide)

Problem : The tube sheet was badly corroded. Particularly deep erosion on tube sheet around the tubes.

Date Created: 5/15/2025
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1121 (Super XL-Metal), Belzona 5821
Problem : The tube sheet and end cover of the chiller units experienced severe corrosion, resulting in a significant decline in efficiency. Additionally, the we...

Date Created: 5/16/2025
Industry: Water / Wastewater (WATR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal), Belzona 5892
Problem : The heat exchanger tube sheet and cover suffered from metal loss and severe pitting as a result of erosion and corrosion. The customer sought a soluti...

Date Created: 5/6/2020
Industry: ()  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 SuperMetal Belzona 5811 Immersion Grade

Problem : Tubesheet and water box surfaces of 10 Chillers of a Plastic Plant's HVAC system were corroded over time. The client had purchased 8 new chillers for ...

Date Created: 1/31/2024
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal), Belzona 1321 (Ceramic S-Metal)
Problem : Intercooler tube sheet and end covers had corrosion due to b-metallic corrosion.

Date Created: 4/1/2024
Industry: Commercial Facilities (COMM)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal), Belzona 1321 (Ceramic S-Metal)
Problem : Chiller head was suffering from severe corrosion/chemical attack due poor water treatment.

Date Created: 8/25/2021
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1511 Super HT Metal

Belzona 1391S

Belzona 1391 Ceramic HT

Problem : Existing titanium bushings had caused severe bimetallic corrosion on the carbon steel endplate surfaces. The titanium bushing endplate surfaces was in...

Date Created: 10/20/2020
Industry: Marine (MRNE)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 2911 (QD Conditioner)

Belzona 2211 (MP Hi-Build Elastomer)

Problem : Due to the design of the Air Cooler, the gasket under the cover could not be changed. Over time and vibrations of Cooler, the deformed gasket lost its...

Date Created: 10/21/2020
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1593

Problem : Chemical attack (corrosion) was only one problem, another problem was that coating area was not easy available.

Date Created: 5/12/2021
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1121 (SUPER XL-METAL)

Belzona 5811 (Immersion Grade)

Problem : The problem was erosion and corrosion of the tube sheets and capacitor chambers. Erosion occurred as a result of liquid flow, galvanic corrosion occur...

Date Created: 4/4/2019
Industry: ()  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 (Super-Metal)

Problem : The flange and the cover of this exchanger were badly damaged by corrosion and needed to be rebuilt.

Date Created: 8/21/2015
Industry: Water / Wastewater (WATR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1161 (Super UW-Metal)

Belzona 9111 (Cleaner Degreaser)

Problem : Hole caused by corrosion.

Date Created: 8/8/2016
Industry: Buildings & Structures (BSTR)  |  Products:

Belzona 2211 (MP Hi-Buid Elastomer)

Belzona 2221 (MP Fluid Elastomer) 

Problem : Despite formulation improvements in the concrete manufacturing process, the final product is still susceptible to all forms of chemical attack.

Date Created: 10/18/2017
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 5892

Problem : The coating was required to offer protection against attack from aqueous solutions at elevated temperature.

Date Created: 12/20/2017
Industry: Food & Drink (FOOD)  |  Products:

Belzona 1391T

Belzona 1511 (Super HT-Metal)

Belzona 9341 (Reinforcement Sheet) 

Problem : Stress crack corrosion leaking hot water out of the pasteurization pipes onto other pipes and machinery.

Date Created: 3/21/2016
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1121 (Super XL-Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : The customer was getting cross contamination between process cooling water and process lubricating oil, due to the corrosion at the copper tube and ca...

Date Created: 7/4/2014
Industry: Steel & Metal Processing (STEL)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1321 (Ceramic S-Metal)

Belzona 9111 (Cleaner/Degreaser)

Problem : Machine was in service for a long time, which resulted in unacceptable tube sheet wear (thinning, in some places up to 5-7 mm from the original thickn...

Date Created: 1/11/2013
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 2141 (ACR-Fluid Elastomer) 

Belzona® 1161 (Super UW-Metal)

Belzona® 5831 (ST-Barrier)

Problem : Replacing and welding new parts was not an option as hot work could cause potential stress damage to the condenser and would damage the newly installe...

Date Created: 9/17/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 3211 (Lagseal)

Problem : The sheet metal on the air diffuser was suffering from corrosion.

Date Created: 9/16/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1391 (Ceramic HT)

Problem : The molten slag is dripped into water spray which cools it to form granules much like grains of sand. The slag is removed and the water is then cooled...

Date Created: 9/11/2014
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1321 (Ceramic S-Metal)

Belzona® 1341 (Supermetalglide)

Problem : Corrosion/erosion on the turbine condensers (heat exchangers) after years of operation. Originally un-lined, extensive bimetallic corrosion had occurr...

Date Created: 9/5/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 (Super Metal)

Belzona 1321 (Ceramic S-Metal)

Belzona 9111 (Cleaner/Degreaser)

Problem : The chiller tube sheet was suffering from corrosion due to bi-metallic corrosion.

Date Created: 7/12/2010
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1321 (Ceramic S Metal)

Problem : Protection against anticipated corrosion on new heat exchanger.

Date Created: 7/27/2010
Industry: Water / Wastewater (WATR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1161 (Super UW Metal)

Belzona 1291 (ES-Metal)

Belzona 9341 (Reinforcing Tape)

Problem : Leaking drain pipe and hot well pump at Water Treatment Plant

Date Created: 12/28/2009
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 1321 (Ceramic S-Metal)

Problem : Chillers suffer constant corrosion due to water treatment chemicals. In order to protect their costly investment this customer chose to pro-actively p...

Date Created: 3/27/2008
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona® 1121 (Super XL Metal)
Problem : Eroded 72" dia tube sheet faces with leaks between the tubes & the tube sheet

Date Created: 8/1/2007
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 2121 (D&A Hi-Coat Elastomer)

Belzona® 2911 (Elastomer QD Conditioner)

Problem : The efficiency of the unit was low because of the leaks in the expansion joint.

Date Created: 12/1/2008
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:
Problem : Floor was corroded badly and needed replacing during an outage.

Date Created: 12/18/2008
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:
Problem : Cracks in the concrete were allowing water leaks into the environment.

Date Created: 12/20/2008
Industry: Buildings & Structures (BSTR)  |  Application: CEP-Centrifugal Pumps (CEP)  |  Products:

Belzona® 4111 (Magma Quartz)

Belzona® 2211 (MP Hi Build Elastomer)

Problem : Power Plant was losing the cooling water through the expansion joints at the concrete pipe junctions.

Date Created: 7/7/2009
Industry: Marine (MRNE)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1111 (Super Metal)

Problem : Damage on the original profile of the cooler top-cover due to erosion/corrosion, led to leaks and loss of efficiency.

Date Created: 9/29/2009
Industry: General Industry (GIND)  |  Application: GSS-Gaskets, Seals and Shims (GSS)  |  Products:

Belzona® 1111 (Super Metal)

Belzona® 4341 (Magma CR4)

Problem : Flange was attacked by 98% Sulfuric acid at elevated temperature after Teflon lining was damaged.

Date Created: 7/31/2007
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona® 1311 (Ceramic R-Metal)
Belzona® 1321 (Ceramic S-Metal)
Problem : Bi-metallic corrosion was deteriorating the tube sheet surfaces. If the problem was left unresolved, the chiller would eventually suffer servere damag...

Date Created: 6/4/2007
Industry: General Industry (GIND)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona® 1321 (Ceramic S-Metal)
Problem : Premature corrosion was taking place and long term protection was needed.

Date Created: 3/19/2006
Industry: Buildings & Structures (BSTR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona® 5811 (Immersion Grade)
Problem : Previous coating was coming off before going into service.

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1121 (Super XL-Metal)

Belzona® 1341 (Supermetalglide)

Problem : Insertion of new stainless steel sleeves caused ligament damage to the inlet tube sheets resulting in severe tube to tube sheet leaks and a forced out...

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 2211 (MP Hi-Build Elastomer)

Problem : Spark testing of rubber lining highlighted several defects requiring repair.

Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona® 1591

Problem : Hot groundwater contains high levels of minerals, sulfer and abrasives. There is erosion/corrosion of the tube sheet face at elevated temperature.

Date Created: 2/5/2025
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1321 (Ceramic S-Metal), Belzona 9111 (Cleaner Degreaser)
Problem : Corrosion between the surface and tubes due to water flow in the condenser exchanger

Date Created: 1/20/2025
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1511 (Super HT-Metal), Belzona 1593, Belzona 9111 (Cleaner Degreaser), Belzona 9411 (Release Agent)
Problem : The water box cover had suffered severe pitting corrosion and the separator channel and edges needed to be rebuilt to prevent bypass of the separator ...

Date Created: 1/20/2025
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1511 (Super HT-Metal), Belzona 1593, Belzona 9111 (Cleaner Degreaser), Belzona 9411 (Release Agent)
Problem : The tube face had suffered severe galvanic and pitting corrosion and the separator channels and tube face needed to be rebuilt to prevent bypass of th...

Date Created: 1/20/2025
Industry: Chemical & Petrochemical (PETR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1511 (Super HT-Metal), Belzona 1593, Belzona 9111 (Cleaner Degreaser)
Problem : The water box had suffered pitting corrosion and needed resurfacing. In addition, the client required a lining to prevent further attack to the tube f...

Date Created: 3/21/2019
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1511 (Super HT Metal)

Belzona 1391T

Problem : 12 tube sheets suffering from corrosion and chemical attack were exposed to elevated temperatures (up to 200°C - Dry Heat) when in service, therefore ...

Date Created: 1/17/2020
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1511 (Super HT-Metal)

Belzona 1593

Problem : Internal corrosion to the internals of a heat exchanger

Date Created: 6/1/2020
Industry: Power (POWR)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1111 (super metal)

Belzona 4311 (Magma CR1)

Problem : These strong acids even if they are diluted cause big corrosion.

Date Created: 9/23/2014
Industry: Steel & Metal Processing (STEL)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1251 (HA-Metal)

Problem : Leaks had formed around a set of plates used to support cooling coils where they pass through the wall of the roaster. 

Date Created: 9/14/2015
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 1321 (Ceramic S-Metal)

Problem : Deterioration of the surface due to erosion/corrosion by in-service conditions.

Date Created: 11/19/2024
Industry: Oil & Gas (OILG)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal), Belzona 1391T
Problem : Customer pulled several HEX for routine inspections and discovered bad pitting on one the Cooling Water Heads. They were in a small Pit-Stop and had 3...

Date Created: 8/6/2025
Industry: Chemical & Petrochemical (PETR)  |  Application: FBC-Fans, Blowers and Compressors (FBC)  |  Products: Belzona 1311 (Ceramic R-Metal), Belzona 1812 (Ceramic Carbide FP), Belzona 9811
Problem : The internal diameter of a 40” Dyno Mill wear ring exhibited significant wear and erosion in multiple sections. The high abrasion environment within t...