UL 203
$66.00
Pipe Hanger Equipment for Fire-Protection Service
UL 203
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 These 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.
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