Post Tension Steel Duct
1.used at working site,making duct at working site,
2.operated easily, nimble structure, working steady
3.make round duct or flat duct, used for post tension
4. steel strip can be 0.35mm, 0.4mm
5. making black steel duct and galvanized steel duct
spiral prestressed corrugated pipe making machine
corrugated pipe making machine
parameters of making spiral round duct:
inner diameter |
35mm |
40mm |
45mm |
50mm |
55mm |
60mm |
65mm |
70mm |
75mm |
outer diameter(mm) |
40mm |
45mm |
50mm |
55mm |
60mm |
65mm |
70mm |
75mm |
80mm |
gross weight(kg/m) |
0.37 |
0.43 |
0.48 |
0.56 |
0.63 |
0.7 |
0.76 |
0.86 |
0.96 |
80mm |
85mm |
90mm |
95mm |
100mm |
105mm |
110mm |
115mm |
120mm |
125mm |
130mm |
85mm |
90mm |
95mm |
100mm |
105mm |
110mm |
115mm |
120mm |
125mm |
130mm |
135mm |
1.06 |
1.16 |
1.26 |
1.36 |
1.46 |
1.56 |
1.66 |
1.8 |
2.02 |
2.3 |