- Post-tensioning System in the Girder
- External Prestressing System
- Ground Anchor System
- Elastomeric pad bearing
- Steel bearing
- Expansion joint
- Equipment for Construction and Installation
- PC bar and Its Accessories
- PC Strand and Cable
- Anchor assembly used to block wall
- Asphalt Mixing Plant
- Asphalt Paver
- Road Maintenance and Recycling Equipment
Coupler YM15L is used for strand diameter 15.24mm,15.7mm and YM13L used for strand 12.4mm,12.7mm or 12.9mm.Coupler YM15/13L is usually includes seven parts:coupling block,bearing plate,protective sleeve , restraining ring,spiral reinforcement,wedges and swaging fitting.GYJB50-150 swaging machine and hydraulic pump ZB4-500 serve operation for extruding the swaging fitting.
It is composed of n(n-strand number pieces of)mono-couplers which are set parallely in the protective sleeve,usually including seven parts:anchor head,bearing plate,spiral reinforcement,protective sleeve , restraining ring,wedges and mono-coupler.