通过提供ANSI 150至2500级承插焊接端控制阀尺寸和ANSI 150至600级螺纹端控制阀尺寸，帮助用户进行管道设计，无需特别考虑所使用的设备制造商。本标准适用于尺寸为1/2英寸至4英寸的承插焊接端球形控制阀和尺寸为1/2英寸至2-1/2英寸的螺纹端球形控制阀，具有顶部、顶部和底部、端口或阀笼导向。

Aids users in their piping designs by providing ANSI Classes 150 through 2500 socket weld-end control valve dimensions and ANSI Classes 150 through 600 screwed-end control valve dimensions without giving special consideration to the equipment manufacturer to be used. This standard applies to socket weld-end globe-style control valves, sizes 1/2 inch through 4 inches, and screwed-end globe-style control valves, sizes 1/2 inch through 2-1/2 inches, having top, top and bottom, port, or cage guiding.