UL 203 PDF
Price range: $86.83 through $173.66
Pipe Hanger Equipment for Fire Protection Service
1 Scope
1.1 These requirements cover the performance of pipe hanger equipment for use in supporting piping employed in sprinkler systems, water-spray systems, and other piping systems used for fire-protection service.
1.2 Requirements for the installation of pipe hangers and auxiliary equipment and limitations for use of specific sizes of hangers and pipe are included in the Standard for the Installation of Sprinkler Systems, NFPA 13, and the Standard for Water-Spray Fixed Systems for Fire Protection, NFPA 15.
1.3 DeletedThese requirements cover design variations of hangers defined in Section 5, and do not cover products fabricated from rods of iron or steel with diameters specified by the Standard for the Installation of Sprinkler Systems, NFPA 13, such as U-type hangers, hanger rods, coach screws, and similar products.
Summary of Topics
This revision of ANSI/CAN/UL 203 dated June 30, 2025 includes the following changes in requirements:
– Revision to the Scope; 1.3 (deleted)
– Minimum Hanger Rod Size and Additional Pipe Sizes; Table 6.1, 12.1.2, Table 12.1
– Electronic Installation Instructions; 16.3
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