


| Item | Data |
| Suitable post tensioning duct diameter | 35~135mm |
| Raw material | Galvanized steel, 0.2~0.4mm thick |
| Raw material width | 35.4~36mm |
| Pitch of spiral | 23mm |
| Seam lock type | Double seam lock* |
| Strip linear feeding speed | 0-35m/min |
| Motor power for round duct machine | 4kW |
| Motor power for oval duct machine | 3kW |
| Total weight | About 600kg |
| Dimension of round duct machine | 1300 x 1800 x 1300mm |
| Dimension of oval duct machine | 800 x 450 x 800mm |



No. 243, Ninghai Road, Rugao City, Jiangsu Province, China 226500
+86 13962724758 Franks Cao
+86 13626278212 Aileen Chen
+86 15262775225 Lily Bian
+86 15050633920 Mae Zhang