QYC Front-end Fixed Jack for Prestressing
Specifications
The fore-cramp type jack is a kind of multipurpose prestressing equipment. It is easy to operate.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.
QYC front-end fixed jacks have internal re-usable anchor which can automatically clamp and loosen the wedge, they are mainly used for BFM15 and BFM13- type various single tensioning with bonded and unbounded.
Notice: QYC type front-end fixed jacks could be matched with different size, length of the top cover, retreat anchor device, to used in the experiment by root tension pre-tightening, tension retreat anchor and stay cable tone with single cable.
| Model | Nominal hydraulic |
Area of stressing cylinder |
Return hydraulic |
Stroke of stressing |
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 |
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