8
OVERALL DIMENSIONS (mm) (NG70 - NG90)
Burner flange and boiler drilling template
Rp
A
B
C
D
E
F
G
H
J
K
L
M
N
O
P
Q
R
S
Tmin.
W
X
Y
min. max. min. max.
min. max.
min. max. min. max.
NG70 ..S..
1/2" 365
34
79
287
332
365
75
291
Ø80 Ø95
99
162
218
M8
155
86
138
110
285
330
118
163
168
14
438
299 Ø78,5
NG70 ..L..
1/2" 443
34
157
287
410
365
75
291
Ø80 Ø95
99
162
218
M8
155
86
138
110
285
408
118
241
168
14
438
299 Ø78,5
NG90 ..S..
1/2" 365
34
70
295
331
365
75
291
Ø80 Ø95
102
162
218
M8
155
86
138
110
293
329
125
203
168
2
441
299 Ø78,5
NG90 ..L..
1/2" 443
34
149
295
409
365
75
291
Ø80 Ø95
102
162
218
M8
155
86
138
110
293
407
125
239
168
2
441
299 Ø78,5
BS = standard blast tube BL = long blast tube DN = gas valves size
B*: SPECIAL blast tube lengths must be agreed with
Cib Unigas
