UL 385:2020 free download

UL 385:2020 free download STANDARD FOR SAFETY Play Pipes for Water Supply Testing in Fire Protection Service
scope
1.1 These requirements cover play pipes for testing of water supplies for fire protection service.
1.2The play-pipe design and construction covered herein and illustrated in Figure 10.1 has beencommonly identified as the Underwriter or National Standard type.
2 Components
2.1 Except as indicated in 2.2, a component of a product covered by this standard shall comply with therequirements for that component.
2.2A component is not required to comply with a specific requirement that:
a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this standard, or
b) ls superseded by a requirement in this standard.
2.3A component shall be used in accordance with its rating established for the intended conditions ofuse.
2.4 Specific components are incomplete in construction features or restricted in performancecapabilities.Such components are intended for use only under limited conditions，such as certaintemperatures 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 orapproximate information.
4Undated References
4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall beinterpreted as referring to the latest edition of that code or standard.
cONSTRUCTION
5Materials
5.1 The pipe shall be made of seamless drawn copper 0.050 inch (1.3 mm) thick, or of rolled brass 1/16inch (1.6 mm) thick.
5.2Metal parts, exclusive of the pipe section, shall be made of an alloy of copper, tin, lead, and zinccontaining not less than 81 percent copper and not more than 9 percent zinc.
6 Pipe
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 Butts
7.1 The butt shall be threaded to fit as ordered. A recess shall be provided in back of the threads for retaining a washer.
8 Handles
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.