The front-end type jack is a kind of multipurpose prestressing equipment. It is easy to operate. It is mainly used to stretch single strand or tendon. It is also used for multi-hole pretension, stretch and debug. It is suit for all kinds of high strength steel wire bundles and strands.
Item Nominal pressure Nominal hydraulic Area of stressing cylinderReturn hydraulic troke of stressing Diameter of minumum center holeOverall dimension MassMinimum working spaceThe reserved length of strand Unit KN Mpa mm²Mpa mm mm mm kg mm mmQYC270 27062 4400 < 10 200 Φ 17Φ 114x 529 25 750x 110 220