Position tension Onion Jack Steel strand Fixed End Pressing Jack
The Onion Jack is mainly used to press the fixed end of the prestressed steel strand into a pear-shaped scattered flower shape, equipped with net sheets, spiral ribs or stirrups, and other structural ribs. The embossing part of the steel strand is bound with the concrete. Squeeze and anchor to form a self-anchored anchor head. This saves the anchorage at the fixed end.
Rated pressure |
28MPA |
Tension piston area |
0.7068*10-3m2 |
Return piston area |
0.4524*10-3m2 |
Press stroke |
100mm |
Return Method |
hydraulic |
Onion Diameter |
φ80*130 |
Nominal pressure |
19.9KN |
Matching oil pump |
Various oil pumps with pressure not less than 50MPA |
Oil Type |
46# hydraulic Oil |