Technical rule
[CURRENT]
OEVGW G 75
OEVGW G 75
Measurement of gas quantities - Differential pressure gas meters - Measurement of gas quantities by means of orifices (differential pressure gas meters) at working pressures above 5 bar
Title (German)
Gasmengenmessung - Wirkdruckgaszähler - Gasmengenmessung mittels Blenden (Wirkdruckgaszähler) mit einem Betriebsdruck über 5 bar