本文件规定了石油、石化和天然气工业过程服务中使用的离心泵的要求，包括作为水力回收涡轮机反向运行的泵。本文件适用于悬臂泵、轴承间泵和垂直悬挂泵。本文件还提供了适用于特定类型泵的要求。提供了各种特定泵类型的图示，以及分配给每个特定泵类型的名称。

This document specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, petrochemical, and gas industry process services. This document is applicable to overhung pumps, between bearings pumps, and vertically suspended pumps. This document also provides requirements applicable to specific types of pumps. Illustrations are provided of the various specific pump types and the designations assigned to each specific pump type.