ASHRAE标准153提供了一种测量热泵和其他制冷系统用换向阀质量流量的方法。本试验方法适用于大多数使用常规实验室仪器的用户和生产商，并允许使用多种试验液体。

ASHRAE Standard 153 provides a means for measuring the mass flow capacity of reversing valves used on heat pumps and other refrigerating systems. The test method is intended to be within the capabilities of most users and producers employing conventional laboratory apparatus and allows the use of a wide variety of test fluids.