ISO 22159:2007规定了制造商提供的下降装置的要求、试验方法、标记和信息。它还规定了与下降装置一起使用的下降线的一些基本要求。 ISO 22159:2007适用于拟在工作场所的出入口、工作定位和救援系统中使用的自动和手动下降装置。根据功能和性能定义了各种类型和类别的下降装置。 如果提供足够的培训和/或监督，这些下降装置可用于工作场所以外的情况。 ISO 22159:2007不适用于休闲活动中使用的下降装置，如休闲攀爬和崩落，尽管其要求可用于指定此类设备。

ISO 22159:2007 specifies requirements, test methods, marking and information to be supplied by the manufacturer for descending devices. It also specifies some basic requirements for the descent lines to be used with the descending devices. ISO 22159:2007 is applicable to automatic and manually operated descending devices intended for use in the workplace in access, egress, work positioning and rescue systems. Various types and classes of descending devices are defined according to function and performance. These descending devices can be used in situations other than the workplace if adequate training and/or supervision are provided. ISO 22159:2007 is not intended to apply to descending devices used in leisure activities such as recreational climbing and caving, although its requirements can be useful in specifying such equipment.