ISO-641 › Laboratory glassware -- Interchangeable spherical ground joints

ISO-641 - 1ST EDITION - CURRENT


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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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71.040.20 (Laboratory ware and related apparatus)

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Document Number

ISO 641:1975

Revision Level

1ST EDITION

Status

Current

Publication Date

Sept. 1, 1975

Committee Number

ISO TC 48