PERMATANK® double-wall jacketed underground storage tank

PERMATANK® double-wall jacketed underground storage tank features an innersteel tank coupled with an exterior corrosion material separating the inner and outer tanks creates a uniform interstitial space ensuring rapid and accurate leak detection.

  • Additional Features
  • Benefits
  • Guideline Specification
    • Meets UL 58, UL 1746 and ULC-S603.1
    • All tanks proven tight throughout installation, via third party certification, by interstitial vacuum test - 13 inches Hg minimum
    • Provides many options to meet EPA leak detection for interstitial monitoring, including the Permatank Precision Vacuum Monitor
    • Steel provides complete compatibility with all blends of ethanol and biodiesel fuels
    • Impermeable to all petroleum products and vapors
    • Steel inner tank provides structural strength, while its exterior wall of fiberglass reinforced plastic prevents corrosion
    • Designed shorter than an all-FRP tank of the same capacity, reducing the cost of installation and increasing site layout flexibility
    • Capacities range up to 60,000 gallons
    • Steel construction allows for recycling
    • Various backfill options allow for money-saving installation
    • Low cost compartments and customization
    • Built to nationally recognized STI standards with strict third-party quality control inspection program
  • A) General 1. Provide PERMATANK® double-wall jacketed steel-fiberglass underground storage tanks.

    B) Labeling

    1. Tanks shall bear the Steel Tank Institute PERMATANK® label.

    2. Underground tanks shall bear the appropriate Listing label.

    C) Product Description

    1. Tanks shall be manufactured in accordance with Steel Tank Institute Specification for PERMATANK®

    2. Tanks shall be manufactured and listed in accordance with Underwriters Laboratories UL 58, Steel Underground Storage Tanks for Flammable and Combustible Liquids and UL 1746, External Corrosion Protection Systems for Steel Underground Storage Tanks or ULC_S603.1, Standard for Corrosion Protection for Steel Underground Tanks for Flammable and Combustible Liquids.

    3. All tanks shall provide testable secondary containment and access for interstitial leak detection monitoring.

    D) Manufacturer

    1. Manufacturer shall be a licensed member company of the Steel Tank Institute and subject to Steel Tank Institute’s Quality Assurance program.
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