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EN
INSTALLATION
Gas pressure loss diagrams
!
PRESSURE DROP includes: "COMBUSTION HEAD + GAS TRAIN + GAS GOVERNOR & FILTER" as per EN676 Standard.
Back pressure of boiler (or other applications) must be added/included in order to have the total min pressure drop.
Burner
BLU 7000.1 PR
MULTICALOR 700.1
MULTIFLAM 700.1
280
270
natural gas
260
250
240
230
220
210
200
190
180
170
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
350
450
LEGENDA
Pf: Back pressure of furnace
Pb: Pressure of burner (combustion head + complete gas train)
Pin: Minimum inlet pressure
14
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Advisable gas
Gas train
governor & filter
no
VGD 40.125
FILTER DN 125
no
VGD 40.100
FILTER DN 100
no
VGD 40.080
FILTER DN 80
no
VGD 40.065
FILTER DN 65
VGD 40.065 + F- DN 65
VGD 40.065
VGD 40.080 + F- DN 80
VGD 40.080
550
650
750
850
flow m
/h
3
portata/flow m
3
/h
Inlet gas pressure
Spring color
yellow
yellow
yellow
yellow
90
80
70
60
50
40
30
20
10
950
350
5C
tabella C
Inlet gas pressure
MIN [mbar]
MAX [mbar]
55
700
60
700
70
700
75
700
115
700
140
700
225
700
280
700
natural gas
450
550
650
flow m
/h
3
portata/flow m
3
/h
Diagram
5C
5C.2
VGD 40.100 + F- DN100
VGD 40.100
VGD 40.125 + F- DN150
VGD 40.125
750
850
950
5C.2
tabella C
420010511800
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