UL 80:2004 pdf download – Steel Tanks for Oil-Burner Fuel

UL 80:2004 pdf download – Steel Tanks for Oil-Burner Fuel. 12 Burner-Supply Connection 12.1 A threaded opening not less than 112 inch 0,840 inch (21.34 mm) O.D.J pipe size shall be provided in the bottom of the tank shell for...