B*: SPECIAL blast tube lengths must be agreed with Cib Unigas
DN(*)
AA
A
A
BB
S
L
40
69
1097
1182
372
50
69
1097
1182
372
65
69
1097
1182
372
80
69
1097
1182
372
40
69
1192
1258
372
50
69
1192
1258
372
65
69
1192
1258
372
80
69
1192
1258
372
40
69
1192
1292
403
50
69
1192
1292
403
65
69
1192
1292
403
80
69
1192
1292
403
BS = standard blast tube
BL = long blast tube
(**) According to the gas train size and the burner type, MB-DLE or VGD valves are supplied. The "V" measure, refers to the gas filter, for burners provided with Siemens