30.20 May 22, 2026
ISO
ISO/TC 22/SC 34
International Standard
The described system and fixture ensure accurate flow-testing of the entire range of orifices from 0,4 mm to 0,8 mm diameter. This second edition cancels and replaces the first edition (1985). Annexes A and B are for information only.
PUBLISHED
ISO 7440-2:1991
PROJECT
ISO/CD 7440-2
30.20
CD study/ballot initiated
May 22, 2026
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