Galvanized steel spiral duct

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