原ANSI/ISA 75.15-1994本标准适用于尺寸为15 mm（1/2英寸）至450 mm的对焊端球形控制阀 （18英寸）适用于150至2500级，具有顶部、顶部和底部、端口或保持架导向。本标准的目的是通过提供对接焊缝端部球形样式来帮助用户进行管道设计 控制阀尺寸，无需特别考虑拟安装的设备制造商 习惯于表1中提供的长短尺寸通过巩固现有结构的多样性阐明了2.1 制造商？每个阀门尺寸的长度分为两组尺寸。在使用短的或短的 长尺寸，管道设计师应与所选阀门制造商确认哪个尺寸 适用于所提供的阀门。

Formerly ANSI/ISA 75.15-1994This standard applies to buttweld-end globe-style controls valves, sizes 15 mm (1/2 inch) through 450 mm (18 inches) for Classes 150 through 2500, having top, top and bottom, port, or cage guiding.The purpose of this standard is to aid users in their piping designs by providing buttweld-end globestyle control valve dimensions, without giving special consideration to the equipment manufacturer to be used.The short-long dimensions provided in Table 1 clarify 2.1 by consolidating the diversity of existing manufacturers? lengths into two sets of dimensions for each valve size. Before using either the short or long dimensions, the piping designer should confirm with the selected valve manufacturer which dimension is correct for the valve(s) being supplied.