Ul 142 Double Wall Tank

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.

Ul 142 double wall tank.

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. For example this may include double walled tank designs. All flameshield tanks employ a 360 outer wrap. A ul 142 double wall tank is equipped with 3 4 6 8 or 10 emergency vent opening for primary tank.

Sized per ul requirements. The entire tank assembly primary tank secondary tank saddles is labeled ul 142. What are the differences between ul 142 and ul 2085 standards. The flameshield option is available on all ul 142 double wall aboveground steel storage tanks manufactured by highland tank.

Sizes dependent on project specifications. Ul142 listed tanks are available in carbon steel or stainless steel with single wall and double wall configurations. Horizontal tanks may be single or double wall construction. Ul 142 requirements ul 142 includes requirements that manufacturers use to design and fabricate aboveground steel.

One type of tank covered under this standard is the double wall storage tank. Custom sizes are available. Underwriters laboratories ul is an accredited developer of standards for product safety and performance. Stanwade s ul 142 double wall horizontal tanks are manufactured with a tight wrap double wall design.

Southern tank manufactures these tanks daily to the ul 142 standard as well as the steel tank institute f921 standard. For basic purposes manufacturers have worked to increase the design of those tanks that meet ul 2085 standards to ensure they offer further protection. 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. Openings are female national pipe thread fpnt.

The overwhelming majority of double wall tanks are the type i variety. Type i double wall tanks are tight wrapped meaning there is intimate contact of the inner and outer tanks. Tanks may also be built with or without multiple compartments for multiple fuel storage. Home double wall tanks ul 142 f921 tanks.

There are a few key differences. If the tank is a double wall configuration then it has interstitial monitoring capabilities. Ul142 tanks are intended for.