1. Inner Duct
Normal Size
Inner Dia.
Thickness
Outer Dia.
Weight/m
26
25.4
2.5
30.4
200.00
28
28.4
2.5
33.4
230.00
32
32
3
38
300.00
36
36.4
3
42.4
350.00
34
34
3
40
330.00
48.0
48.0
3.5
55
460.00

2. Outer Duct
Normal Size
Inner Diameter
Corrugate
Wall Depth
Wall Thickness
Outer Diameter
Weight
Per M
93
72
16
2.5
93
1,010
100
79
16
2.5
100
1,022
112
90
17
2.5
112
1,160
123
100
18
2.5
123
1,285

3. COD
Model
Inner Duct
Outer Duct
Total Weight
Weight/m
Number
Weight
Outer Dia
Weight
3B
230.0
3
690
93
1,010
1,700
4B
230.0
4
920
100
1,022
1,942
5B
230.0
5
1,150
112
1,160
2,310
3D
350.0
3
1,050
112
1,160
2,210
5AD
A  
D  

200.0  
350.0  
5
 4  
 1  
1,150
800  
350  
112
.  
.
1,160
.
.
2,310
..
4D
350.0
4
1,400
122
1,285
2,685

* Above weight is subject to change depending on change of design and workmanship.