Active standard | Published: 01/09/1975

ISO 641:1975

Laboratory glassware — Interchangeable spherical ground joints
(Verrerie de laboratoire — Assemblages sphériques rodés interchangeables)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 641:1975

Publication date: 01/09/1975

Pages: 5

Country: International technical standard

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Anotation

Description / Abstract: 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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