Lightning and surge protection for storage tanks

Oil companies' storage tanks are large-scale, open-air industrial facilities. Flammable liquids are stored there and transported onwards, for example to refineries or distribution networks. They consist of tanks, pipe bridges and pumping stations, and their design means they are constantly exposed to the elements.

Lightning strikes and surges pose a significant risk – to people, the environment and the security of supply. 

We're here to help protect all areas of your facility. Take advantage of the expert advice from our specialists and our smart tools, or commission us directly to draw up a protection plan for your storage tanks that complies with industry standards and regulations. Put your trust in the high-quality, reliable protection solutions that have been DEHN's hallmark for decades. 

Why storage tanks are particularly vulnerable

In storage tanks, large-scale metal structures in potentially explosive atmospheres are often found alongside plant infrastructure that is decades old. With their open, exposed design, numerous conductive connections and constant exposure to the elements, they are particularly vulnerable to the effects of lightning and surges.

These are the risks: 

  • Direct lightning strikes on tanks and tank roofs (including floating roofs) 
  • High lightning current amplitudes with a widespread impact 
  • Dangerous voltage differences between tanks, pipes and earthing systems 
  • Electrostatic charging during filling and emptying processes, which increases the risk of ignition due to spark discharge 
  • Ignition of potentially explosive atmospheres 

The consequences range from damage to the plant to secondary effects, such as supply disruptions and environmental damage caused by leaks and fires. 

Comprehensive protection concept for storage tanks

External lightning protection

Designed for large impact surfaces and high lightning currents.
Our services and products:

  • 3D lightning protection planning with DEHNplan 2.0 
  • Air-termination systems for tanks and system structures 
  • Down-conductor systems for safe lightning current dissipation 

Surge protection

Protection of critical systems from coupled surges.
With our solutions, you can safeguard: 

  • sensor systems (e.g. for fill levels, limit switches) 
  • control and monitoring systems 
  • energy and communication interfaces 

Earthing and equipotential bonding

A key element in preventing dangerous voltage differences.
We offer the right components and concepts for protecting:

  • tanks and tank roofs 
  • pipelines and loading equipment 
  • metal structures of the entire plant 

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Our services

We can provide support for your project from the planning to the implementation and beyond. Take advantage of our wide range of practical tools and services.

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