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18,400-Gallon Double Wall Tank

Volume Chart

Our 18,400 gallon Double Wall Tank or Secondary Containment Tank is ideal for projects needing to store environmentally sensitive liquids and vapors.


  • Built-in, full secondary containment for environmentally critical situations
  • OSHA-compliant front stairway for maximum safety
  • Self-locking, fold-down safety rails provide fall-safe work area around the perimeter of the top of the tank
  • 2- 36″ top manways with removable fall protection grids
  • 1- 22″ side-entry ground-level manway allows access to the tank interior
  • V-shaped bottom for complete drain and enhanced safety during cleaning
  • Front stairway provides convenient access when the tank is backed into a location
  • Lifting lugs
  • Epoxy-lined for wide chemical resistance
  • 2- 4″ butterfly valve drains in recessed sumps for complete drain
  • “Tank within a tank” design allows interstitial area to be monitored for leaks while the outer tank contains any leakage


  • Storage of environmentally sensitive liquid and containment of vapors
  • Compliance with regulatory or operational requirements demanding full secondary containment

Also known as 18,400-Gallon Double Wall Mobile Storage Tank, Double Wall Tank, or Secondary Containment Tank.

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