Post-Tensioning Products and Systems
Complete solutions for your projects with products manufactured and supplied from our Gölbaşı/Ankara facility.
Flat Duct
Flat ducts manufactured from galvanized steel sheet are used in unbonded post-tensioning systems on building and bridge projects. Various size options meet every project requirement.
- Various width and height options
- Manufactured from galvanized steel sheet
- Suitable for building and slab applications
- Suitable for unbonded post-tensioning systems
Round Duct
Round ducts produced to EN 523/524 Class 2 are ideal for bonded post-tensioning systems on bridge, viaduct and cylindrical structure projects. They offer high pressure resistance.
- EN 523/524 Class 2 compliant
- 40 mm — 130 mm diameter range
- Spiral and straight-seam options
- 5,000 metres per day production capacity
Anchorage Heads
Anchorage heads that secure post-tensioning strands to structural elements. Produced from high-strength steel castings with CNC machining.
- Active and passive anchorage types
- Heads with capacity for 1 — 55 strands
- High-strength steel casting
- Compatible with ETA-certified systems
Post-Tensioning Strands
High-strength, low-relaxation post-tensioning strands and tendons. Reliable performance on bridge, building and infrastructure projects.
- 15,20 / 15,24 ve 15,70 mm — 1860 MPa
- Low-relaxation class
- Compliant with EN 10138
Stay Cable Systems
Stay cable systems used on suspension and cable-stayed bridges. High-performance solutions that transfer loads on long-span structures.
- HDPE-sheathed cable systems
- Corrosion protection layers
- Individually replaceable strands
- Vibration damping accessories
Seismic Isolators
Seismic isolation systems that protect structures from earthquake effects. Base isolation for building, bridge and critical infrastructure projects.
- Lead-core rubber bearings (LRB)
- Friction pendulum systems (FPS)
- Elastomeric bearing pads
- Project-specific engineering support
Strand Uncoiler
Equipment that unwinds post-tensioning strands from the coil in a safe and controlled manner. Prevents tangling for fast, secure work on site.
- Safe and secure
- Solution-oriented
- Suitable for every type
Strand Pushing Machine
A remote-controlled machine that pushes post-tensioning strands into the duct quickly and under control. Saves labour on long-distance applications.
- Easily pushed up to 150 m
- 2 forward / 2 reverse speeds
- Remote-controlled system
Duct Catalogue 2026
Galvanized flat and round duct products, technical specifications and manufacturing processes.
Post-Tensioning Introduction 2026
ASZ Group post-tensioning systems introduction: applications, components and technical overview.
Duct Catalogue
Galvanized duct product brochure.
Post-Tensioning Catalogue
TENSA Cat 2 post-tensioning catalogue.