Onion Jacks
Robust and high-quality jack with a single-acting hydraulic cylinder for creating onion-type dead ends for post-tension systems.
- Description
- FEATURES
- SPECIFICATIONS
- COMPATIBLE PRODUCTS
Description
The robust STS Onion Jack is the best tool to form onion-type dead ends for post-tension systems. The jack is hydraulically powered to deform strand into a reproduceable bulbous shape. In conjunction with the STS Swage Plate, this onion, functioning as a stopper in concrete, becomes an effective and reliable dead-end anchorage.
The Onion Jack frame and mechanism is designed for efficient operation and durability on site. Our single-acting cylinder ensures equipment is lightweight and convenient to use.
- Rugged and lightweight
- Designed for quick and easy operation
- High-quality and reusable Onion Jack Wedges included
- Suitable for 12.7 mm and 15.2 mm strand
- Heat treated frame for extra strength
| Product Code | Cylinder Capacity |
Operating Pressure | Oil Capacity (cm3) |
Cylinder Coupling |
Min. strand length (mm) | Weight (kg) |
A (mm) |
B (mm) |
C (mm) |
| SONIONJACK 13mm | 101kN (10 t) |
700 bar (10,000 PSI) |
152 | 3/8” NPTF | 200 | 10 | 184 | 158 | 255 |
| SONIONJACK 15mm | 101kN (10 t) |
700 bar (10,000 PSI) |
152 | 3/8” NPTF | 200 | 10 | 184 | 158 | 255 |
Refer to diagram in image gallery when using specifications.
| Onion Jack Product Code |
Strand Size | Jack Wedge | Hydraulic Pump |
| SONIONJACK 13mm | 12.7 mm (0.5”) |
MGJWON13 | BATTPUMP-PT-DA |
| HYDPUMP-EN | |||
| HYDPUMP-PT-BO | |||
| SONIONJACK 15mm | 15.2 mm (0.6”) |
MGJWON15 | BATTPUMP-PT-DA |
| HYDPUMP-EN | |||
| HYDPUMP-PT-BO |
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