本规范提供了准确测试汽水分离再热器（MSR）的程序、方向和指南，MSR包括位于高压和低压汽轮机之间的汽水分离和蒸汽再热部件。本规范的目的是确定汽水分离再热器的性能，并在评估其性能对汽轮机循环热的影响时提供指导，包括:（a）汽水分离器出口质量；（b） 每级再热器末端温差（TTD）；（c） 适用部件的循环蒸汽压降；以及（d）过热蒸汽流量。本规范规定了以下领域MSR测试的应用要求: （a） 预测试安排和协议；（b） 仪器类型和精度；（c） 仪器应用和测量方法；（d） 测试和计算技术；（e） 报告中所载的资料。

This Code provides the procedures, direction, and guidance for the accurate testing of Moisture Separator Reheaters (MSRs) which includes moisture separating and steam reheating components located between the high pressure and low pressure steam turbine.The purpose of the Code is to determine the performance of the MSR and to provide guidance in the evaluation of its performance effect on the turbine cycle heat with regard to:(a) Moisture Separator Outlet Quality;(b) Reheater Terminal Temperature Difference (TTD) per stage;(c) Cycle Steam pressure drop across applicable component(s); and(d) Excess heating steam flow.Requirements are specified by this Code for application on MSR testing in the following areas:(a) Pretest arrangements and agreements;(b) Instrumentation types and accuracies;(c) Instrumentation applications and methods of measurement;(d) Testing and calculation techniques;(e) Information contained in the report.