fore-cramp type jack for prestressing concrete
The fore-cramp type jack is a kind of multipurpose prestressing equipment. It is easy to operate and maintain.
The fore-cramp type jack is a kind of multipurpose prestressing equipment. It is easy to operate. It is mainly used to stretch single hole. It is also used to multi-hole pretension, stretch and debug. It is suit for all kinds of high strength steel wire bundles and strands.
| Model | Nominal hydraulic | Area of stressing cylinder | Return hydraulic | Stroke ofstressing | Diameter of minimum centre hole | Overall dimension | Mass | Minimum working space | The reserved length of strand | |
| KN | Mpa | mm2 | Mpa | mm | mm | mm | kg | mm | mm | |
| QYC270 | 270 | 62 | 4400 | <10 | 200 | Φ17 | Φ114×529 | 24 | 750×110 | 220 |
fore-cramp type jack for prestressing concrete
