UL 213:2019-07 Rubber Gasketed Fittings for Fire- Protection Service.
1.1 UL 213 covers rubber gasketed fittings intended for assembling sections of pipe in fire protection systems, for example, couplings to attach pipe sections end to end, and side outlets to attach pipe sections at right angles.
1.2 The products covered by this standard are intended for use in fire protection service as outlined by
the following Standards of the National Fire Protection Association:
a) Installation of Sprinkler Systems, ANSI/NFPA 13;
b) Installation of Standpipe, Private Hydrant, and Hose Systems, ANSI/NFPA 14:
c) Water Spray Fixed Systems for Fire Protection, ANSI/NFPA 15; and
d) Installation of Private Fire Service Mains and Their Appurtenances. ANSI/NFPA 24.
1.3 The joints formed with the use of fittings covered by this standard prevent separation under pressure.
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b) Is superseded by a requirement in this standard.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
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 Normative References
5.1 The following standards are referenced in this standard, and portions of these referenced standards may be essential for compliance.UL 213 pdf download.