1 core-through front- arresting jack
2 automatically tighten and release the tool anchorage wedge
3 Certification: CQC

YDC250 front-arresting jack is a core-through front- arresting jack with the tool anchorage being able to be used repeatedly in it. It can automatically tighten and release the tool anchorage wedge in the operating and is mainly used in the single stressinsg of various bonded and unbonded tendons. YDC250Q jack adopts the new sealing element, lightened design and anti-turning devices which will the jack from rotating during stressing.