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Glass lined tanks may require tank repair due to deterioration from attack by corrosive chemicals, impacts, and the environment. These aggressive agents produce small holes in the coating that lead to corrosion of the steel underneath. The very nature of these coatings makes repairs difficult.

In addition, rubber lined equipment can also be seriously damaged due to erosion and corrosion, as well as chemical attack.

Belzona materials offer a viable solution for tank repair as they adhere firmly even to manually prepared surfaces, without the need for abrasive shot, and offer effective protection against corrosion.

  • Versatile: can be applied on wet, damp and oil contaminated surfaces. Sets in various temperature conditions.
  • Validated: Belzona materials are easily mixed and applied without the need for special tools.
  • High performance: this system offers excellent adhesion, reduced time to return to service and long life.
  • Experience: Belzona cold welding solutions are widely used in the oil and gas, water and wastewater, energy, transformer…
Tanks Applications
Tanks Applications

New solutions for old problems

Erosion, corrosion, and physical damage to components can often lead to downtime, decreased efficiency, lost profits, and safety risks.

Soluciones Belzona:

  • High adhesion to manually prepared glass coating.
  • Simple application in patch and plate weld repairs, or even encapsulation of previous repair attempts.
  • No need for hot work or special tools, preventing sparks or tank damage.
  • Valid alternative to prevent corrosion compared to bolt-on repairs.
  • It can be applied with a full tank, that is, without the need to remove it from service.

Any repair solution must offer an excellent level of protection and resistance to abrasive media, even in harsh erosive and corrosive environments. But not only that, the method itself must consider the minimum possible time out of service.

Conventional Solutions Vs Belzona Solutions

Vulcanization refers to a conventional repair method that is often used to restore damaged rubber components and linings on machines and equipment. This process involves the application of heat and pressure to the damaged rubber, which is compressed between two metal plates and results in a chemical bond. Although this method can improve the mechanical properties of the component, it also has many disadvantages. Special and heavy equipment is required, which can not only be problematic to install on site, but time to do so. Additionally, as the process involves chemicals and heat, the application environment could be exposed to potential hazards that will jeopardize personnel safety and increase equipment downtime due to health and safety procedures.

Another conventional solution that is commonly used is complete replacement of the damaged component or liner. Using the same material to repair a damaged material may solve the problem in the short term, but it will not prevent the problem from happening again. In addition, it is worth mentioning the high costs incurred when a damaged liner or component is completely removed and replaced.

Belzona Flexible Repair Solutions

The range of elastomers have proven their ability to repair and protect damaged rubber linings and components without the limitations of other solutions.

Belzona elastomers are complex flowable thixotropic materials that uniquely combine useful performance and application properties, the most important of which are elasticity and resilience. These materials can be conspicuously deformed by stretching, compression, or twisting and then return to their original shape. This process occurs due to the long chains of atoms, mainly carbon, hydrogen and oxygen, which have some degree of cross links with adjacent chains.

It is these cross joints that return the elastomer to its shape when the force that deforms it disappears. This elasticity makes them the ideal solution for difficult application environments. It ensures that machinery and equipment remain strong and intact when attacked by erosion and cavitation, thus protecting the underlying metal substrate against corrosion. In addition to their excellent elasticity, elastomers also have outstanding mechanical properties and high resistance to abrasion.

This helps to extend the life of the equipment, even under extremely aggressive conditions. The high tensile and flexural strength allows the elastomer to tolerate extreme stresses and flex accordingly without damage or permanent deformation.

Tanks repair, rebuilding and molding

Belzona’s flexible rubber repair and rebuilding materials are specially designed for applications where high consistency, durability, elasticity, and high resistance to abrasion and tear are required. Belzona elastomers accurately restore lost profiles, allow molding of rubber components, flexible molds, and joining and welding of parts.

Tanks Repair
Tanks Repair

These versatile systems are installed without causing stress or bimetallic corrosion problems.

Coating and Sealing

The flexibility of Belzona elastomers makes them a natural choice for sealing and coating applications on equipment subject to erosion. They are designed to withstand pressure, movement and the environment to which they are exposed during service. Its resilience is ideal for use as an impact and wear resistant coating, sealing and repair.

¡Ponte en contacto con nuestros técnicos y te daremos asesoramiento sobre la reparación de tanques a través de rodator@rodator.com! En nuestro Know-How 283 podrás ver la reparación de las grietas de un gasómetro llevada a cabo por nuestro equipo.

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