
Respiratory protective devices - Gas cylinder valves - Part 4: Excess flow devices.
NORMA vydána dne 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
Kategorie: Technické normy DIN
Atemschutzgeräte - Gasflaschenventile - Teil 4: Abströmsicherung.