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Homepage>ISO Standards>ISO 641 Laboratory glassware — Interchangeable spherical ground joints
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download between 0-24 hoursReleased: 1975
ISO 641 Laboratory glassware — Interchangeable spherical ground joints

ISO 641

Laboratory glassware — Interchangeable spherical ground joints

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English PDF
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French Hardcopy
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Standard´s number:ISO 641
Pages:5
Edition:1
Released:1975
DESCRIPTION

ISO 641


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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