NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Technical rule
[CURRENT]
VDI 2073 Blatt 2
VDI 2073 Blatt 2
Hydraulic systems in building services - Hydraulic balancing
Title (German)
Hydraulik in Anlagen der technischen Gebäudeausrüstung - Hydraulischer Abgleich