本规范涵盖了船用管道系统中低压真空蒸汽系统用四氟乙烯（TFE）软管组件。如果不超过软管系统的温度和压力限制，则不得使用。

This specification covers tetrafluoroethylene (TFE) hose assemblies for low pressure, vacuum steam system in marine piping systems. They may be used for other systems where the pressure, temperature, and vacuum conditions do not exceed the limitations of the hose.