45
IT
EN
FR
ES
Madas Technical Manual
- 9|9.2 - REV. 0 of 12
th
Feb 2019
ITG
Per
dita a valvola chiusa
Leak
age with closed valve
Fuite avec vanne fermée
Fugas con la válvula cerr
ada
Valvola completamente aper
ta
Fully open valve
Valve entièr
ement ouver
tes
Válvula t
otalmente abier
ta
Diagramma perdite di carico
Capacity diagram
Diagramme pertes de charge
Diagrama de caudales
dv = densità relativa all’aria
dv = density relative to the air
dv = densité relative à l’air
dv = densidad relativa del aire
1) metano - methane - méthane - metano
2) aria - air - air - aire
3) gas di città - town gas - gaz de ville - gas ciudad
4) gpl - LPG - gpl - glp
dv = 0,
62
dv = 1,
56
dv = 0,
45
dv = 1
Summary of Contents for DN 50
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