A. General introduction
Prestressing tensioning can be realized through the combination of hydraulic jack and super-pressure hydraulic pump. Different hydraulic jacks and pumps shall be selected based on specific features of different anchorages.
Prestressing tensioning equipment and accessories
1 YCW series Hydraulic Jack
YCW series hydraulic jack, as one general type of prestressing hydraulic jack, can be applied to stress OVM’s wedge type Multi-strand anchorage, DM heading anchorage and LZM cold cast anchorage by being matched with different accessories, being widely used in pretensioning or post-tensioning prestressing constructions.
2 Front anchoring jack
As prestressing jack with front anchoring function, YDC120Q jack and YDC 240QX jack are used in mono-strand tensioning.
3 ZB super-pressure electric oil pump
As a kind of secondary variable pump, it is usually matched with different jacks for lifting or incremental launching, etc, which are featured with super pressure, large capacity and long stroke, and other super-pressure equipment and accessories,