NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Technical rule
[CURRENT]
DVGW G 442
DVGW G 442
Potentially explosive atmosphere at exhaust openings of venting lines at gas plants or systems
Title (German)
Explosionsgefährdete Bereiche an Ausblaseöffnungen von Leitungen zur Atmosphäre an Gasanlagen