6. ADJUSTING PRESSURES AND CALIBRATED INJECTION NOZZLES MARKINGS
Pressure/flow rate and injection nozzle marking table - 15°C - 1013 mbar
Type of boiler
Output
GB
1st stage
power
Input
1st stage
power
H-type gas
flow rate (G20)
Downstream pressure 2nd stage mmCE
H-type gas (G20)
ø Main burner injection
nozzle H-type gas
L-type gas
flow rate (G25)
Downstream pressure 2nd stage mmCE
L-type gas (G25)
ø Main burner injection
L-type gas
Propane
(G31)
Downstream pressure
ø Main burner injection
Propane
ø Ignition burner
injection nozzle
(1) 15°C, 1013 mbar
1 mbar = 10 mmCE = 10 daPa = 100 Pa
DTG
320-8
Eco.NOx Eco.NOx Eco.NOx Eco.NOx Eco.NOx Eco.NOx Eco.NOx Eco.NOx Eco.NOx
2nd stage
kW
126
(H,L)
kW
88
Propane kW
107
2nd stage
kW
137,4
(H,L)
kW
96,2
Propane kW
116,8
3
2nd stage
m
/h
14,54
3
1st stage
m
/h
10,18
1 st stage
mmCE
mm
3
2nd stage
m
/h
16,91
3
1st stage
m
/h
11,84
1st stage
mmCE
mm
2nd stage
kg/h
10,68
1st stage
kg/h
9,07
2nd stage
mbar
1st stage
mbar
mm
H-type gas mm
L-type gas mm
Propane
mm
DTG
DTG
DTG
320-9
320-10
320-11
144
162
180
101
113
126
122
138
153
156,9
176,3
195,7
109,8
123,4
137,0
133,3
149,8
166,3
16,60
18,65
20,70
11,62
13,06
14,49
140
1st stage pressure = 0,5 x adjusted 2nd stage pressure
3,6
19,31
21,70
24,08
13,51
15,19
16,86
90
1st stage pressure = 0,5 x adjusted 2nd stage pressure
4,35
12,19
13,70
15,20
10,36
11,64
12,92
36
26
2,20
0,8
1,0
0,5
28
DTG
DTG
DTG
320-12
320-14
320-16
198
234
270
139
164
189
168
199
230
215,0
253,8
292,5
150,5
177,7
204,8
182,7
215,7
248,6
22,75
26,86
30,95
15,92
18,80
21,67
26,46
31,24
36,00
18,52
21,87
25,20
16,70
19,72
22,73
14,20
16,76
19,32
DTG
DTG
320-18
320-20
306
342
239
214
260
291
331,2
369,7
231,8
258,8
281,5
314,3
35,04
39,12
24,53
27,39
40,76
45,51
28,53
31,85
25,73
28,73
21,87
24,42