page no. 14 of 44
NVx Range Users, Installation & Servicing Instructions issue 6.4 Aug 2017.
High Fire
Low Fire
Injectors
Burner
Pressure
Gas Rate
Burner
Pressure
Gas Rate
MODEL
No.
Size (mm)
Marked
mbar
m³/h
mbar
m³/h
NVx15
4
1.67
380
12.7
1.73
3.9
0.87
NVx20
4
1.94
500
12.7
2.31
3.4
1.26
NVx25
5
1.94
500
12.5
2.89
4.7
1.74
NVx30
6
1.94
500
13.9
3.48
4.0
1.94
NVx40
8
1.94
500
13.5
4.63
5.2
2.83
NVx50
10
1.94
500
13.2
5.73
4.0
3.13
NVx60
8
2.54
750
9.5
6.93
2.5
3.35
NVx75
10
2.54
750
10.0
8.59
4.0
5.36
NVx90SF
8
3.5
1500
5.9
10.29
2.5
6.36
NVx120SF
10
3.5
1500
7.2
13.59
3.1
9.29
NVx140SF
12
3.5
1500
6.9
15.74
3.2
10.29
Injector Sizes & Burner Pressures - Natural Gas - Group H - G20 Net CV (Hi = 34.02MJ/m³
Nominal Inlet
Pressure = 20mbar
Minimum Inlet
Pressure = 17.5mbar
High Fire
Low Fire
Injectors
Burner
Pressure
Gas Rate
Burner
Pressure
Gas Rate
MODEL
No.
Size (mm)
Marked
mbar
m³/h
mbar
m³/h
NVx15
4
1.2
120
21.6
0.65
5.8
0.34
NVx20
4
1.36
240
21.2
0.90
6.1
0.47
NVx25
5
1.36
240
21.4
1.13
7.9
0.68
NVx30
6
1.36
240
20.6
1.33
6.0
0.75
NVx40
8
1.36
240
19.8
1.78
6.2
0.99
NVx50
10
1.36
240
21.2
2.21
5.7
1.16
NVx60
8
1.6
160
25.4
2.68
6.4
1.34
NVx75
10
1.6
160
25.1
3.33
7.2
1.74
NVx90SF
8
2.26
580
14.4
4.01
5.2
2.39
NVx120SF
10
2.26
580
15.9
5.44
7.4
3.60
NVx140SF
12
2.26
580
16.0
6.20
6.3
3.97
Injector Sizes & Burner Pressures - Propane G31 Net CV (Hi = 88.00MJ/m³
Nominal Inlet
Pressure = 37mbar
Minimum Inlet
Pressure = 37mbar
1.2 Technical Data
