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UL 385-2020 pdf free download
UL 385-2020 pdf free download.Play Pipes for Water Supply Testing in Fire Protection Service.
2.3 A component shall be used in accordance with its rating established for the intended conditions of use.
2.4 Specific components are incomplete in construction features or restricted in performance capabilities. Such components are Intended for use only under limited conditions, such as certain temperatures not exceeding specified limits, and shall be used only under those specific conditions.
3 Units of Measurement
3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate Information.
4 Undated References
4.1 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
5.1 The pipe shall be made of seamless drawn copper 0.050 inch (1.3 mm) thick, or of rolled brass 1/16
inch (1.6 mm) thick.
5.2 Metal parts, exclusive of the pipe section, shall be made of an alloy of copper, tin, lead, and zinc containing not less than 81 percent copper and not more than 9 percent zinc.
6.1 The play pipe shall be not less than 15 inches (381 mm) nor more than 30 inches (762 mm) long
overall. .. . . -. .. . . -…. — ……. .. -.
6.2 The pipe shall have an inside diameter of 2-17/32 inches (64 mm) at the base and 1-3/4 inches (44
mm) at the throat.
6.3 The inside diameter at the throat shall be accurate within a tolerance of ±1/64 inch (0.4 mm).
6.4 The pipe shall extend through the brass mountings at the throat.
6.5 The butt and nozzle adapter shall be soldered to the pipe.
6.6 The waterways shall be free of drops of solder or other projections and shall have a smooth surface throughout.
7.1 The butt shall be threaded to fit as ordered. A recess shall be provided n back of the threads for
retaining a washer.
8.1 The handle shall be of the swivel pattern. The handle and its means of retention shall resist without rupture or permanent distortion a force of 300 pounds (1334 N) applied at the center of each gripping section in each of four directions, that is, in both directions parallel and in both directions perpendicular to the center line of the play pipe.
9 Nozzle Adapters
9.1 The brass mounting to which the nozzle is threaded shall be provided with an outside recess for retaining a rubber washer. It and the nozzle shall be threaded with 2-3/16 inch — 12 threads having dimensions conforming with those designated in Table 9.1.UL 385-2020 pdf free download.
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