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SERVICE TANKS F921® Double-Wall Storage

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Service Tanks F921 aboveground storage tanks are built with a double-wall steel design and are compatible with a wide range of fuels and chemicals.

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Double-wall design offers integral, impermeable secondary containment. Delivers uncompromising performance, reliability, service, and economy.

  • UL-142 and F921® labeled.
  • Meets UL 142 Standard for steel aboveground tanks for flammable and combustible liquids.
  • Meets EPA SPCC requirements.
  • Double-wall verticals feature openings for emergency venting of both the inner and outer tanks.
  • Offers integral secondary containment.
  • Safe secondary containment, without concrete.
  • Interstitial leak detection capability.


  • Interior and exterior ladders
  • Manholes
  • Flat top and bottom
  • Cone bottom
  • Dished bottom
  • Elevated with legs
  • Internal linings (for special needs)
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