Underground Tanks Single-wall in Steel

Underground Tanks
Single-wall in Steel

At Citergaz we manufacture products for various business areas. From the chemical industry to the extractive industry among others, we have the capacity to produce for any part of the national or international territory.
We have in this specific segment the know-how for the idealization, projection, and production of Underground Tanks for Fuels.

For detailed information please refer to the product technical data sheet (PDF.)


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Underground Tanks

For fuels with Single-wall in Steel

Manufacturing Standards

  • Tanks manufactured in accordance with European Standard EN12285-1;
  • Single wall in carbon steel grade S235JR according to European Standard EN10025;
  • MRC type bottoms in carbon steel of grade S235JR according to the European Standard EN10025;
  • Steel grit to grade SA 2 ½” according to ISO 8501-1;

Materials and Procedures

  • Carbon steel wall;
  • Carbon steel bottoms;
  • Submerged Arc Welding (S.A.W.) where possible, and/or semiautomatic (M.I.G./M.A.G.) In the remaining locations;

Standard Equipment

  • Manhole with cap and respective pricks;
  • Graduated probe ruler in anodized aluminum;
  • Lifting lugs.

Surface Protection

  • Stripping by steel shot to grade S.A. 2 1/2 ”;
  • Internal surfaces and weldings in a natural state, clean and properly dried;
  • Application of external 2-component Endoprene® coating with factory-proven dielectric strength greater than 6000V.

Inspection and Testing

  • Leak test by hydraulic test to the inner body at 0.75 bar;
  • Dimensional control;
  • Ink thickness control;
  • Visual test of the welds.


  • Probe rod guide tube;
  • Bottom Valve(s);
  • Interior paint suitable for the fuel liquid to be contained: Diesel/Gasoline/JET/AdBlue®.

For detailed information please refer to the product technical data sheet (PDF.).

For more information, please consult our sales department.

Also available models:
Underground Tanks with Double Wall in Steel/Steel (Click here)
Underground Tanks with Double Wall in Steel/HDPE (Click here)

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