ISO 641-1975
实验室玻璃器皿 互换性球形磨接口

Laboratory glassware; Interchangeable spherical ground joints

标准号

ISO 641-1975

发布日期

1975-09

实施日期

废止日期

无

中国标准分类号

N64

国际标准分类号

71.040.20

发布单位

IX-ISO

适用范围

The requirements deal with the geometric charateristics to ensure interchangeability. The dimensions of the joint-ground zone and the outer diameter of the tube connected to the joint are given in a table and illustrated in a drawing. In addition the surface finish is specified. A system of gauges (stell balls) for testing the ball cup is tabled. In the annex a method of testing the leakage including the apparatus is described.

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