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8.2. Characteristics of burners
Type of gas
2Lw (G27)
2K (G25,3)
2E/2L (G20←→G25)
Natural
gas
2E (G20)
2H (G20)
2H (G20)
3B/P (G30)
3(B/P)P (G30/31)
3B/P (G30)
Liquid
gas
3P (G31)
3B/P (G30)
3P (G31)
Type of gas
2Lw (G27)
2K (G25,3)
Natural
2E/2L (G20←→G25)
gas
2E (G20)
2H (G20)
2H (G20)
3B/P (G30)
3(B/P)P (G30/31)
3B/P (G30)
Liquid
gas
3P (G31)
3B/P (G30)
3P (G31)
Type of gas
2Lw (G27)
2K (G25,3)
2E/2L (G20←→G25)
Natural
gas
2E (G20)
2H (G20)
2H (G20)
Thermal power of burner: 3,5 kW
Thermal efficiency: >50%
Nominal pressure
(mbar)
20
25
20-25
20
20
25
30
28-30/37
37
37
50
50
Thermal power of burner: 5 kW
Thermal efficiency: >50%
Nominal pressure
(mbar)
20
25
20-25
20
20
25
30
28-30/37
37
37
50
50
Thermal power of burner: 7 kW
Thermal efficiency: >50%
Nominal pressure
(mbar)
20
25
20-25
20
20
25
- 53 -
Nozzle diameter
Approximate gas
(mm)
1,55
1,40
1,35
1,35
1,35
1,25
0,90
0,90
0,90
0,90
0,80
0,85
Nozzle diameter
Approximate gas
(mm)
1,85
1,70
1,65
1,65
1,65
1,50
1,10
1,10
1,05
1,10
0,95
1,05
Nozzle diameter
Approximate gas
(mm)
2,20
2,00
1,90
1,90
1,90
1,80
consumption
3
0,41m
/h
3
0,42m
/h
3
0,41m
/h
3
0,36m
/h
3
0,36m
/h
3
0,36m
/h
0,28kg/h
0,28/0,27kg/h
0,28kg/h
0,27kg/h
0,28kg/h
0,27kg/h
consumption
3
0,58m
/h
3
0,60m
/h
3
0,58m
/h
3
0,52m
/h
3
0,52m
/h
3
0,52m
/h
0,39kg/h
0,38/0,39kg/h
0,39kg/h
0,38kg/h
0,39kg/h
0,38kg/h
consumption
3
0,81m
/h
3
0,84m
/h
3
0,81m
/h
3
0,73m
/h
3
0,73m
/h
3
0,73m
/h
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