基本信息
标准编号: UL 429 Ed. 6 (2009)
标准类别:Standard
出版单位:Underwriters Laboratories
标准页数:0
标准简介
Specifies electrically operated general purpose and safety valves rated 600 volts or less and intended for the control of fluids, such as air, gases, oils, refrigerants, steam, water, and the like.