PART I: SPECIFICATIONS
12
Pressure in the Network / gas flow rate curves(natural gas)
G
AS PRESSURE IN
TH
E NETW
O
R
K mbar
N1060A
Gas rate Stm
3
/h
N1300A
Gas rate Stm
3
/h
WARNING: the diagrams refers to natural gas. For different type of fuel please refer to the paragraph “Fuel” at
the beginning of this chapter.
The values in the diagrams refer to
natural gas
with a calorific value of 8125 kcal/Stm
3
(15°C, 1013 mbar) and a density of
0.714 kg/Stm
3
.
The values in the diagrams refer to
GPL
with a calorific value of 22300 kcal/Stm
3
(15°C, 1013 mbar) and a density of 2.14 kg/
Stm
3
. When the calorific value and the density change, the pressure values should be adjusted accordingly.
Where:
Natural gas pressure shown in diagram
Real gas pressure
Natural gas flow rate shown in diagram
Real gas flow rate
Natural gas density shown in diagram
Real gas density
Summary of Contents for N1300A
Page 43: ...PART IV MAINTENANCE 47...