本标准适用于直接作用（蒸汽）泵。它包括类型和命名法；定义；设计与应用；以及安装、操作和维护。ANSI/HI 8.1-8.5提供了有关直接作用（蒸汽）泵的基本教育概述、与为特定工业用途选择合适泵有关的设计和应用考虑，以及泵的操作和维护程序。

This standard applies to direct-acting (steam) pumps. It includes types and nomenclature; definitions; design and application; and installation, operation, and maintenance.ANSI/HI 8.1-8.5 offers a basic educational overview on direct acting (steam) pumps, design and application considerations related to the selection of the right pump for a specific industry use, as well as pump operating and maintenance procedures.