范围:本标准实施规程为通用工业阀门所需的部分回转致动器安装尺寸和性能特征的标准化提供了基础。它仅涵盖制造商作为单独部件提供的致动器。

Scope:This Standard Practice provides a basis for the standardization of part-turn actuator mounting dimensions and performance characteristics necessary for their attachment to general purpose industrial valves. It covers only those actuators supplied by manufacturers as separate components.