
Respiratory protective devices - Gas cylinder valves - Part 4: Excess flow devices.
STANDARD published on 1.3.2026
Designation standards: E DIN EN 144-4:2026-03
Publication date standards: 1.3.2026
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: German technical standard
Category: Technical standards DIN
Atemschutzgeräte - Gasflaschenventile - Teil 4: Abströmsicherung.