本文件规定了石油、石化和天然气行业管壳式热交换器的机械设计、材料选择、制造、检查、测试和装运准备的要求，并给出了建议。 本文件补充了API Std 660第9版（2015），其要求适用于本文件规定的例外情况。 本文件适用于以下类型的管壳式热交换器:加热器、冷凝器、冷却器和再沸器。 本文件不适用于真空操作蒸汽表面冷凝器和给水加热器。

This document specifies requirements and gives recommendations for the mechanical design, material selection, fabrication, inspection, testing and preparation for shipment of shell-and-tube heat exchangers for the petroleum, petrochemical and natural gas industries. This document supplements API Std 660, 9th edition (2015), the requirements of which are applicable with the exceptions specified in this document. This document is applicable to the following types of shell-and-tube heat exchangers: heaters, condensers, coolers and reboilers. This document is not applicable to vacuum-operated steam surface condensers and feed-water heaters.