90.60 Close of review Mar 4, 2024
ISO
ISO/TC 131/SC 5 Control products and components
International Standard
23.100.50 Control components
Published
Specifies rules for the identification. Applies in particular to valves which will be developed in future with two and three ports, where today's practice of marking valve ports is different. The identification rules apply to those ports which provide the connection between two valves or between a valve and a pipe.
PUBLISHED
ISO 9461:1992
90.60
Close of review
Mar 4, 2024