PS 473-1965 燃气list管和螺旋管件的管螺纹，压力密闭接头安装在螺纹上（1/8英寸-6英寸）

标准号：PS 473-1965
中文标准名称：燃气list管和螺旋管件的管螺纹，压力密闭接头安装在螺纹上（1/8英寸-6英寸）
英文标准名称：PIPE THREADS FOR GAS LIST TUBES AND SCREWED FITTINGS WHERE PRESSURE-TIGHT JOINTS ARE MADE ON THE THREADS (1/8 INCH TO 6 INCHES)
发布日期：1965/1/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This Pakistan Standard dealings with Pipe Threads for joints which are made pressure type by the meeting of the threads themselves.1.2 This thread can he spread up in two groups :(1) Taper external and taper internal threads.(2) Taper external and parallel internal threads.1.3 Parallel External Pipe Threads are not suitable for making pressure type on the meeting threads. This type of threads will be dealt with in a separate standard.1.4 The Pakistan Standard pipe Size Range is from l8 to 6 inches nominal bore (inclusive) Thread forms, dimensions and Tolerances for these size of pipes are given in this standard.