90.93 Standard confirmed Mar 13, 2023
ISO
International Standard
71.040.20 Laboratory ware and related apparatus
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.
PUBLISHED
ISO 641:1975
90.93
Standard confirmed
Mar 13, 2023