Search Our Know-How in Action Case Studies

Date Created: 10/12/2018
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: GSS-Gaskets, Seals and Shims (GSS)  |  Products:

Belzona 1161 (Super UW-Metal)
Belzona 3412 (Encapsulating membrane)
Belzona 9341 (Reinforcement Tape)

Problem : Several air handlers exactly like this one were leaking and showing general signs of wear and tear. The configuration of these air handlers, however w...

Date Created: 6/27/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1212
Problem : The water pan on their air handler developed a series of holes with the largest one about 3/4" in size and were losing gallons of water by the minute.

Date Created: 7/8/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal), Belzona 5831 (ST-Barrier)
Problem : Corrosion was developing in several cooling tower pans.

Date Created: 12/31/2017
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona 1381

Problem : These tanks process hot water up to 200 degrees F. They also have some agitation that is part of their process so the coatings needed to be able to r...

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: 10/2/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: FBC-Fans, Blowers and Compressors (FBC)  |  Products: Belzona 1311 (Ceramic R-Metal), Belzona 1321 (Ceramic S-Metal)
Problem : Infiltration of Perlite dust into the blower system causing very quick abrasive damage to blower fins.

Date Created: 9/25/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products:

Belzona 2121 (D & A Hi-Coat Elastomer)

Belzona 2911 (Elastomer QD Conditioner)

Belzona 9341 (Reinforcing Tape)

Problem : A leaking flange on a chiller resulted in the company trying several different products to stop the leak, but to no avail.

Date Created: 7/23/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products: Belzona 5892
Problem : General corrosion which creates uniform pitting on the upper part of the tank. The Operating Temperature is from 80 to 95 deg. C and the relevant ad...

Date Created: 1/1/2018
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: RPA-Roof Problem Areas (RPA)  |  Products:

Belzona 3121 (MR7)

Problem : Storm water drain backing up into the air handler room adjacent to rental offices on the lower level of the main terminal of the airport. This storm/w...

Date Created: 10/3/2015
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: RPA-Roof Problem Areas (RPA)  |  Products:

Belzona 3121 (MR7)

Problem : The air handler condensate pan was leaking water. Corrosion had allowed for water to push underneath the pan and out between the pan and concrete ped...

Date Created: 10/3/2015
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: VPF-Valves, Pipes and Fittings (VPF)  |  Products:

Belzona 1161 (Super UW-Metal)

Belzona 1321 (Ceramic S-Metal)

Problem : The water inlet on a cooling tower had developed a spiral crack due to the inflexible nature of the pipe and the movement of the cooling tower. It wa...

Date Created: 12/18/2008
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:
Problem : The corroded and holed areas needed repair and the cold water basin needed sealing to prevent leakage and future corrosion.

Date Created: 9/17/2013
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: VPF-Valves, Pipes and Fittings (VPF)  |  Products:

Belzona 1111 (Super Metal)

Belzona 5811 (Immersion Grade)

Belzona 5111 (Ceramic Cladding)

Problem : The customer had a short outage where the cooling pipes had to be repaired or replaced. Repairing with Belzona gave the cusotmer a quick turnaround an...

Date Created: 8/30/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: SHM-Solids Handling Machinery (SHM)  |  Products: Belzona 1818, Accessories, Belzona 9111 (Cleaner Degreaser)
Problem : After a breakdown, the customer needed to repair the screws with a fast curing material, very close to start-up. The repair was carried out during the...

Date Created: 2/22/2019
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: FBC-Fans, Blowers and Compressors (FBC)  |  Products:

Belzona 1341 (Supermetalglide)

Belzona 2111 (D & A Hi-Build Elastomer)

Problem : The erosion in the pipe damaged the rubber coating causing a seal to no longer operate correctly as it no longer sat flush with the surface.

Date Created: 4/2/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1321 (Ceramic S-Metal), Belzona 1341 (Supermetalglide)
Problem : Chillers are considered valuable assets which are worth millions of pounds. Often water treatment is not sufficient to prevent corrosion of the body o...

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: 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: 9/12/2011
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: 4/23/2015
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: VPF-Valves, Pipes and Fittings (VPF)  |  Products:

Belzona 1212

Belzona 1321 (Ceramic S-Metal)

Problem : 0.2 inch (5 mm) deep corrosion under insulation threatened to perforate the shell of this chiller. Condensation was traveling through an ineffective ...

Date Created: 7/17/2007
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona® 5811 (Immersion Grade)

Belzona® 1111 (Super Metal)

Problem : Severe internal corrosion

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: 10/2/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products: Belzona 5815
Problem : The existing coating liner was failing and required replacement.

Date Created: 12/17/2020
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1311 (Ceramic R-Metal), Belzona 1321 (Ceramic S-Metal),
Problem : if the corrosion allowance is exceeded and gaps appear, recirculation can occur, leading to efficiency loss. In addition, the processed fluid can erod...

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: 10/14/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: FBC-Fans, Blowers and Compressors (FBC)  |  Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 1391 (Ceramic HT)

Problem : Exhaust contains fine coal dust and moisture, which erodes the fan blades, including the AR steel blade protectors.

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: 9/15/2014
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: 9/7/2014
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: 8/15/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1121 (Super XL-Metal), Belzona 1321 (Ceramic S-Metal)
Problem : The chiller's end tubes were suffering from significant corrosion, with visible pitting and metal loss.

Date Created: 8/15/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1121 (Super XL-Metal), Belzona 1321 (Ceramic S-Metal)
Problem : The tube sheet of the chiller was heavily corroded, leading to a noticeable drop in efficiency. Additionally, the area around the gasket seals had wor...

Date Created: 4/15/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal)
Problem : Customer was having problems with their cooling tower. The equipment was experiencing corrosion and in some areas they even had through wall defects.

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: 9/5/2014
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: 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: 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: 8/19/2015
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona 1111 (Super Metal)

Belzona 5811 (Immersion Grade)

Problem : The holding pans in the chiller units had corroded and required immediate attention.

Date Created: 8/20/2015
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona 1111 (Super Metal)

Belzona 5811 (Immersion Grade)

Problem : The holding pans in both of the chiller units had corroded and were leaking onto the roof.

Date Created: 12/30/2010
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona 5811 (Immersion Grade)

Problem : Internal corrosion had led to water leaks and these were finding there way through to the floor below.

Date Created: 10/3/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products: Belzona 1511 (Super HT-Metal), Belzona 1593
Problem : When using the Buderus condensing boiler, the bottom and walls of the boiler were damaged by corrosion.

Date Created: 10/15/2024
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: HEX-Heat Exchangers (HEX)  |  Products: Belzona 1111 (Super Metal), Belzona 1341 (Supermetalglide)
Problem : Due to severe corrosion and erosion, the tube sheet and lid were damaged.

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: 2/11/2009
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:
Problem : During summer maintenance of this facilities boiler plant, the condensate return tank was found to be severely corroded and leaking, with concern for ...

Date Created: 12/5/2008
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:
Problem : Chemicals used in water treatment had eaten the galvanizing off the sheet metal on the cooling tower pans. Pans needed to have the seams sealed and pa...

Date Created: 4/4/2008
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: GSS-Gaskets, Seals and Shims (GSS)  |  Products: Belzona® 1111 (Super Metal)
Problem : Lost contact area due to ingress of sea water after bolt connection failure

Date Created: 12/1/2007
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona® 4141 (Magma Build)

Belzona® 4181 (Magma AR Screed)

Problem : The system required a sump for the waste water to pass through, and having drilled it from solid concrete, it had to be lined and sealed.

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: 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: 9/17/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: MPT-Mechanical Power Transmission (MPT)  |  Products:

Belzona 1111 (Super Metal)

Belzona 9411 (Release Agent)

Problem : One of the bearings on this office building’s air handler system failed and severely gouged into the fan's shaft. The cooling system was nearly cripp...

Date Created: 9/17/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: MPT-Mechanical Power Transmission (MPT)  |  Products:

Belzona 1111 (Super Metal)

Belzona 9411 (Release Agent)

Problem : Bearing failure on the air handler for the main lobby of this busy downtown hotel wore into the shaft so severely that the cooling system was out of c...

Date Created: 1/21/2009
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: RPA-Roof Problem Areas (RPA)  |  Products:

Belzona® 3111 (Flexible Membrane)

Problem : Cooling towers leaked from seams. The leaks froze the belt and motor drive in the winter.

Date Created: 3/19/2011
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: FBC-Fans, Blowers and Compressors (FBC)  |  Products:

Belzona® 1111 (Super Metal)

Problem : Bearing had failed scoring the 21/2 inch shaft. Hot weather required air conditioning to be working effectively.

Date Created: 9/8/2014
Industry: Heating, Ventilation & Air Conditioning (HVAC)  |  Application: TCC-Tanks and Chemical Containment Areas (TCC)  |  Products:

Belzona 3121 (MR7)

Belzona 5811 (Immersion Grade)

Problem : Corrosion on the floor and joints of the HVAC cooling tower caused water to leak out during operation. It was feared that the leakage would cause a sh...

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.

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: 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: 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.

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.

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.

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.