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Underground Tanks Double Wall in Steel/Steel

Underground Tanks
Double Wall in Steel/Steel

At Citergaz we manufacture products for various business areas. We have in this specific segment the know-how for the idealization, projection, and production of underground tanks for fuels with double-wall in steel/steel.

Our experience, along with excellent qualified workers, as well as knowledge acquired over the years, allows us to operate from the chemical industry to the food industry, including the extractive industry, among others. We are a company with eyes on the world, we try to increasingly have our products spread all over the globe, so we like to be able to affirm that we have the real capacity to produce for any part of the national or international territory.

For detailed information read more below or please consult the product’s technical sheet (Pdf.)

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Underground Tanks

For Fuels with Double Wall in Steel/Steel

 

Manufacturing Standards

  • Tanks manufactured in accordance with European Standard EN12285-1;
  • Double-wall in carbon steel of S235JR grade according to the European Standard EN10025 with an interstitial chamber;
  • MRC type bottoms in carbon steel of grade S235JR according to the European Standard EN10025;
  • Leak detection system according to European Standard EN13160;
  • Steel shot to grade SA 2 1/2 ”according to ISO 8501-1;

 

Materials and Procedures

  • Carbon steel walls;
  • Vacuum interstitial chamber (optional gel kit);
  • Carbon steel bottoms;
  • Submerged Arc Welding (S.A.W.) where possible, and/or semi-automatic (M.I.G./M.A.G.) In the remaining locations.

 

Standard Equipment

  • Leak detection kit;
  • Shut-off valve;
  • Vacuum gauge;
  • 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

  • Tightness test by hydraulic test to the inner body at 0.75 bar and pressure to the interstitial chamber at 0.1 bar and vacuum of -0.35 bar;
  • Dimensional control;
  • Ink thickness control;
  • Visual test of the welds.

 

Optional

  • Probe rod guide tube;
  • Bottom Valve(s);
  • Gel kit for interstitial chamber;
  • Interior paint suitable for the liquid fuel to be contained: Diesel / Gasoline / 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 Single Wall in Steel (Click here)
Underground Tanks with Double Wall in Steel/HdPe (Click here)

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