Ul 142 Double Wall Tank

What are the differences between ul 142 and ul 2085 standards.

Ul 142 double wall tank.

Ul142 tanks are intended for. Ul 142 requirements ul 142 includes requirements that manufacturers use to design and fabricate aboveground steel. The ul 142 standard for steel aboveground tanks for flammable and combustible liquids is one of the most common construction standards for the tank industry. Tanks are built to underwriters laboratories specification standard ul 142.

The overwhelming majority of double wall tanks are the type i variety. Ul 142 horizontal double wall 12 000gal 96dia pdf pdf 169 86k ul 142 horizontal single wall 12 000gal 96dia dwg dwg 138 45k ul 142 horizontal single wall 12 000gal 96dia pdf pdf 504 19k. Custom sizes are available. The entire tank assembly primary tank secondary tank saddles is labeled ul 142.

The flameshield option is available on all ul 142 double wall aboveground steel storage tanks manufactured by highland tank. All flameshield tanks employ a 360 outer wrap. One type of tank covered under this standard is the double wall storage tank. Southern tank manufactures these tanks daily to the ul 142 standard as well as the steel tank institute f921 standard.

Ul 142 covers shop fabricated tanks only and does not cover portable tanks intended for transporting flammable or combustible liquids such as shipping containers or mobile use applications such as mounted on a trailer. Stanwade s ul 142 double wall horizontal tanks are manufactured with a tight wrap double wall design. Home double wall tanks ul 142 f921 tanks. Type i double wall tanks are tight wrapped meaning there is intimate contact of the inner and outer tanks.

Flameshield labeled tanks are manufactured to strict steel tank institute sti specifications and are subject to the sti s quality assurance program each tank carries the flameshield and swri 97 04 labels. If the tank is a double wall configuration then it has interstitial monitoring capabilities. There are a few key differences. Tanks may also be built with or without multiple compartments for multiple fuel storage.

For example this may include double walled tank designs. Sizes dependent on project specifications. Openings are female national pipe thread fpnt. Underwriters laboratories ul is an accredited developer of standards for product safety and performance.

Sized per ul requirements. Horizontal tanks may be single or double wall construction. Each style tank may be fabricated cylindrical or rectangular horizontal or vertical with or without multiple compartments.