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The Plasteel Double Wall Elutron Jacketed Tank is UL Listed and Tested per UL Standard 58 and UL Standard 1746, Part III, Jacketed Tank. In 1989, the Plasteel Double Wall Elutron Jacketed Tank attained the UL Listing for Jacketed Secondary Contained Tank. The inner primary steel tank is assembled, welded and tested for tightness. The primary steel tank provides the underground structural performance for the Plasteel Double Wall Elutron Jacketed Tank. The aluminum foil stand-off material and outer fiberglass reinforced plastic (FRP) secondary containment jacket are applied 360° around the inner primary tank creating an interstitial space. The interstitial space between the primary tank and the secondary containment jacket is designed to provide access to detect a liquid in the interstitial space and containment of the liquid. The Plasteel Double Wall Elutron jacketed Tank has been UL performance tested per the optional UL Standard 58, External Pressure Test (EPT), Paragraph 18. The EPT requires no structural deformation when an empty steel primary tank is submerged with five feet (1.53m) of water over the top of the tank without backfill materials. The Plasteel FRP jacket encapsulates the steel primary tank providing a UL Listed and Tested exterior corrosion protection system for the Plasteel Double Wall Elutron jacketed Tank. The first Plasteel
Double Wall Elutron Jacketed tank was installed in 1989.
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