High efficiency spiral corrugated post tensioning duct machine for producing galvanized steel PT ducts. Ideal for bridge, highway and precast concrete projects. Automatic, durable and high precision.
Post Tensioning Duct Making Machine for Prestressed Concrete
The Spiral Corrugated Post Tensioning Duct Machine (PT Duct Tube Former) is specially designed for manufacturing high-quality corrugated metal ducts used in prestressed concrete structures.
It is widely applied in bridges, highways, railways, tunnels and precast concrete projects, ensuring excellent strength, durability and protection for post-tensioning systems.
With advanced spiral forming technology and automatic control, this machine guarantees stable production, precise dimensions and high efficiency output.
Why Choose Our PT Duct Machine?
✔️ High Precision Forming – Consistent diameter and spiral pitch
✔️ Double Lock Seam Technology – Stronger and leak-proof ducts
✔️ Wide Diameter Range – Flexible production from small to large ducts
✔️ High Speed Production – Up to 15 m/min
✔️ Automatic Operation – Reduce labor cost
✔️ Durable Structure – Long service life with minimal maintenance
✔️ Compatible Materials – GI steel, cold rolled steel
Applications
This Post Tensioning Duct Machine is widely used in:
- Bridge Construction
- Highway Infrastructure Projects
- Railway Engineering
- Tunnel & Metro Systems
- Precast Concrete Industry
- Large-span Concrete Structures
- Industrial & Commercial Buildings
Main parameters- Post Tensioning Duct Machine
| ITEM |
CONTENT |
| Machine type: |
PTD55-2 |
| Suitable Material: |
GI Steel DC51+Z |
| Strip Width: |
55mm |
| Strip Thickness: |
0.4~0.5mm |
| Seaming Model |
Lock style |
| Tube Diameter range |
40- 150mm (duct inner diameter) |
| Roll forming roller |
GCR15 After treatment |
| Main motor |
3.7kw |
| Strip feeding Speed |
0-15 m/min |
| Power supply |
3*AC380; 50HZ |
| Weight |
Around 1200KG |
| Guarantee period: |
1 year |
This machine is also known as:
- Post Tensioning Tube Machine
- Corrugated Duct Machine
- PT Duct Machine
- Spiral Corrugated Tube Former
- Prestressing Duct Manufacturing Machine
- Metal Bellows Tube Machine
Why Choose Us?
- Over 20+ years experience in roll forming machinery
- Exported to Middle East, Europe, Southeast Asia & South America
- Strong technical support and custom design capability
- Complete solution: machine + mould + training
- Fast delivery and reliable after-sales service
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