UL 30:2009 pdf download – Metal Safety Cans.
10 Valves and Valve-Operating Mechanisms
10.1 A valve-closure cap shall be of corroson-resistant metal or of ferrous metal provided with a
corrosion-resistant coating that complies with the requarements in Corrosion-Resistant Coatings. Section
15. Cast iron shall not be used.
10.2 A cast closure cap shall not be less than 3132 inch (2.4 mm) thick. A sheet metal cap shall not be less than 0.054 Inch (1.4 mm) thick.
10.3 A dosure cap or disc seat of a pouflng spout or fill titling shall be recessed to completely overlap the edge of the disc, unless the cap or disc seat is internal and completely enclosed.
10.4 A valve disc shall not be less than 3132 inch (2.4 mm) thick.
10.5 A valve closure disc shall be mechanically secured in place and shall be replaceable. If the disc is secured to the cap by a screw, the screw shall be provided with a washer. If the annular bearing face of the screwhead is not less than 3132 inch (2.4 mm) wide, a washer need not be provided, but the hole in the disc for passage of the screw shall be close fitting.
10.6 The bearing pin of a valve or valve-operating part shall not be less than 3/32 inch (2.4 mm) in diameter and shall be either headed over at each end or otherwise secured to prevent it from worling out of position.
10.7 All mechanical components shall have sutticient strength to prevent bending, twisting, or subsequent damage to other components. The mechanical linkage associated with the valves shall have positive actuating, non-binding linkage.
10.7 revised September 1. 1999
11 Springs
11.1 A spring shall be of corrosion-resistant metal or of steel provided with a corrosion-resistant coating that complies with the requirements in Corrosion-Resistant Coatings. Section 15. The spring wire shall have a diameter of not less than 0.05 Inch (1.3 mm).
12 Handles
12.1 A can shall be provided wTth a handle having a hand grip arranged for carrying the can.
12.2 A can having a nominal capacity of 2 gallons (7.6 L) or more shall be provided with a bottom handle if it is not provided with a support ring or equivalent means for gripping the bottom ol the can when pouring.
12.2 revised Sepqember 1. 1999
12.3 A carrying handle shall not be more than 1-1/2 inches (38 mm) wide. The hand clearance shall not be less than 1 inch (25 mm) from the handle to the container surface and 3-1/2 inches (89 mm) from one handle support to the other.
12.4 Edges of a sheet metal handle shall be hemmed, rolled, or wired.
13 Attachment of Fittings
13.1 A pouring spout, a fill titling, a hancUe, or any other tilting shall be riveted, welded, brazed, or otherwise mechanically secured to the container.
13.2 The head of a rivet used to atlach a titling shall be on the Inside of the container, and the rivet shall be headed over on the outside of the container against the titling. A rivet head shall be completely sweated with solder.
14 Screens and Strainers
14.1 A screen or a strainer shall be incorporated in the assembly of a salety can to trap and permit removal of dirt or other foreign material. The screen or strainer shall be removable for cleaning.
14.2 A screen or a strainer shall be of perforated brass or of equivalent corrosion-resistant material.
15 Corrosion-Resistant Coatings
15.1 The weight of coating on terne-coated sheet steel shall be at least as specified for coating designation LT35 in Table 1 of the Standard Specification for Steel. Sheet, Long Terne Coated, ASTM A308. That is, the tnplespot coating weight shall not be less than 0.35 ounce per square foot (0.107 kg/m2) and the single-spot coating weight shall not be less than 0.25 ounce per square foot (0.076 kg/m2).
151 revised DecerrC,er 15. 2004
15.2 A coaling of galvanized sheet steel shall comply with the coating designation G60 or A60 in Table I of the Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy Coated (Galvanneafed) by the Hot.Dip Process, ANSI,’ASTM A653. Not less than 40 percent of the zinc shall be on either side, as determined by the single-spot test described In ANSLASTM A653. The coating shall be tree from lumps, blisters, dross, and flux, and shall not flake or peel when formed.