UL 385-2020 pdf free download.Play Pipes for Water Supply Testing in Fire Protection Service.
1.1 These requirements cover play pipes for testing of water supplies for fire protection service.
1.2 The play-pipe design and construction covered herein and illustrated in jgure 101 has been commonly 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 the requirements for that component.
2.2 A 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 the product covered by this standard, or
b) Is superseded by a requirement in this standard.
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.
CONSTRUCTION
5 Materials
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 Pipe
6.1 The play pipe shall be not less than 15 inches (381 mm) nor more than 30 inches (762 mm) long overall.UL 385 pdf download.