Galvanized steel spiral duct
Metal spiral corrugated pipe
Application fields:
1. Highway and railway: culvert, passage, bridge, tunneling overhaul, temporary sidewalk
2. Municipal works and construction: utility tunnel, optical cable protection, drainage pitch
3. Water conservancy: culvert, passage, bridge, pilotage pipeline, drainage pipeline
4. Coal mine: minerals transporting pipeline, workers and mining machine passage, aven/shaft
5. Civil use: smoke duct for power plant, grain stock, fermentation tank, wind power generation
6. Military use: military sidewalk, air-defense passage, evacuation passage
metallic bellows |
inner diameter(mm) |
outer diameter(mm) |
gross weight(KG) |
35 |
40 |
0.37 |
40 |
45 |
0.43 |
45 |
50 |
0.48 |
50 |
55 |
0.56 |
55 |
60 |
0.63 |
60 |
65 |
0.71 |
65 |
70 |
0.77 |
70 |
75 |
0.83 |
75 |
80 |
0.95 |
80 |
85 |
1.03 |
85 |
90 |
1.12 |
90 |
95 |
1.26 |
95 |
100 |
1.36 |
100 |
105 |
1.46 |
105 |
110 |
1.56 |
110 |
115 |
1.66 |
115 |
120 |
1.8 |
120 |
125 |
2.02 |
125 |
130 |
2.3 |
130 |
135 |
2.55 |
|
|
|