IS 9664-1980

标准号：IS 9664-1980
发布日期：1981/7/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围： This standard prescribes the diameters of sealing spaces in general machine construction while using leather sealing cups and in formed impregnated ropes (including flanged armatures or mountings and other armatures of inner diameter 80 mm and above ). This standard is not applicable in the case of very small motor lines, steam and gas lines up to inner diameter of 80 mm and when armatures are used as accessories in clinical technical equipments.