本标准包括自动喷水灭火系统中使用的管道吊架组件的设计和性能要求。附录C说明了各种喷淋管吊架组件，旨在为检查和列表中术语的一致使用提供指南。如果要检查公制尺寸的管道吊架组件以获得批准，则应使用与英语等效物相当的试验荷载。

This standard encompasses the design and performance requirements for pipe hanger components used in automatic sprinkler systems. Appendix C illustrates various sprinkler pipe hanger components, and is intended to serve as a guide to consistent use of nomenclature for the examination and listings. In cases where metric sized pipe hanger components are to be examined for Approval, test loads comparable to the English equivalent shall be used.