本标准规定了与保持开启装置相结合的闭门器或与释放装置相结合的自由摆动闭门器的要求，包括涵盖操作、周期和完成标准的性能试验。

This Standard establishes requirements for door closers combined with hold-open devices or free-swinging door closers combined with releasing devices and includes performance tests covering operational, cyclical and finish criteria.