本标准涵盖了泳池、热水浴缸、水疗中心和喷射式浴缸上使用的柔性PVC软管和管道，并规定了材料、物理特性、性能测试和标记的要求。本标准涵盖的柔性PVC软管和管道拟用于热水浴缸、水疗和喷射式浴缸水循环系统；气动系统；以及太阳能加热应用，其中管道安装时应避免受到元件的影响。

This Standard covers flexible PVC hoses and tubing for use on pools, hot tubs, spas, and jetted bathtubs and specifies requirements for materials, physical characteristics, performance tests, and markings.Flexible PVC hoses and tubing covered by this Standard are intended to be used on hot tub, spa, and jetted bathtubwater circulation systems;pneumatic systems; andsolar heating applications in which the tubing is intended to be protected from the elements when installed.