UL 80-2009 pdf download

UL 80-2009 pdf download.Steel Tanks for Oil-Burner Fuels and Other Combustible Liquids.
5 References 5.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 6 Tank Components 6.1 The following tank components shall be permitted to be provided as either an attached part of a complete tank, or packed with a tank for assembly per the manufacturers instructions at the installation site. When provided, these components shall comply with all applicable requirements of the Standards identified below: a) Fuel Filters or Oil Deairators in accordance with the Standard for Strainers for Flammable Fluids and Anhydrous Ammonia, UL 331 , rated at least 25 psig, for use with combustible liquids described in the Scope, and intended for connection to the burner supply. b) Fusible Link Valves or Shutoff Valves in accordance with the Standard for Valves for Flammable Fluids, UL 842, rated at least 25 psig, for use with the combustible liquids described in the Scope, and intended for connection to the burner supply. c) Liquid Level Gauges in accordance with the Standard for Liquid-Level Indicating Gauges for Oil Burner Fuels, UL 1 80, rated at least 25 psig, for use with the combustible liquids described in the Scope, and intended for use in top openings. 6.1 effective March 21 , 201 0 7 Tank Accessories 7.1 The following tank accessories shall be permitted to be provided as either an attached part of a complete tank, or packed with a tank for assembly per the manufacturers instructions at the installation site. When provided, these accessories shall comply with all applicable requirements identified below: a) Spill Containers shall be steel leak tight constructions integral to the tank with attached covers, and shall have a minimum 1 gallon (3.8 L) capacity for use around top openings such as fill and vents.
8 Size and Form 8.1 A tank of this class shall be cylindrical, obround, rectangular, or of another form which complies with all applicable performance tests, but shall not exceed a primary tank capacity of 660 gallons (2500 L). The marked nominal capacity shall be within 95 – 1 00 percent of the actual capacity. 8.1 effective March 21 , 201 0 8.2 A primary or secondary cylindrical tank shall have a maximum diameter of 48 inches (1 .21 m) and shall be permitted to have flat, stamped, or dished heads. 8.2 effective March 21 , 201 0 8.3 A primary or secondary obround tank shall be formed in accordance with Figure 1 2.2, and shall be permitted to have flat, stamped, or dished heads between 38 to 48 inches in the greater dimension, and 1 8 to 28 inches in the lesser dimension. 8.3 effective March 21 , 201 0 8.4 A primary or secondary rectangular tank shall be formed with all sides flat at right angles, except for tops to allow drainage, with any one side not less than 1 2 inches or more than 90 inches. 8.4 effective March 21 , 201 0 8.5 Secondary tanks shall have containment to at least 300 degrees or 95 percent height of the primary tank and an interstitial space capable of being vented and monitored. The secondary tank walls are permitted to be in direct contact or separated by supporting members. 8.5 effective March 21 , 201 0 8.6 The secondary shall not have any drains or shell penetrations except for welded through connections for burner supply piping or top fittings from the primary tank, or the secondary interstitial vent. 8.6 effective March 21 , 201 0 8.7 The secondary shall be of a construction that provides liquid communication to the monitor area. 8.7 effective March 21 , 201 0 8.8 The secondary top opening shall be permitted to combine venting and monitoring. 8.8 effective March 21 , 201 0
9.2 Carbon steel shall be in accordance with (a) or (b), or in accordance with (a) and (b): a) Comply with the Specification for Carbon Structural Steel, ASTM A36M; or Specification for Steel, Sheet and Strip, Hot Rolled, Carbon, Structural, High-Strength Low-Alloy and High- Strength Low-Alloy with Improved Formability, ASTM A1 01 1 /A1 01 1 M; or Specification for Steel Sheet and Strip, Heavy-Thickness Coils Carbon, Hot-Rolled, ASTM A635/635M; or b) Have a carbon content of 0.3 percent or less, or a carbon equivalency (CE) of 0.53 percent or less as determined by the formula below and mechanical strength and welding characteristics at least equivalent to one of the steels specified in (a).UL 80-2009 pdf download.