MSS SP-124-2020涵盖了水和污水系统中使用的装配式分接套管的性能、设计和安装要求。本标准实施规程涵盖了带法兰出口支管连接的NPS 4至NPS 24（DN 100至DN 600）攻丝套管，其NPS 2至NPS 12（DN 50至DN 300）。

MSS SP-124-2020 covers the performance, design, and installation requirements of fabricated tapping sleeves used in water and sewage systems.This Standard Practice covers tapping sleeves NPS 4 through NPS 24 (DN 100 through DN 600) that have flanged outlet branch connections with NPS 2 through NPS 12 (DN 50 through DN 300).