QYC270 hydraulic jack is a kind of monostrand hydraulic jack and multipurpose prestressed tension equipment, it is easily to be operated. The post tension hydraulic jack is mainly used for mono strand, and it also could be used for tight multi-stands prestressed, tension and trouble clearing, and it also could be suitable for kinds of specification and size of high strength steel wire bundle and prestressed PC strands.Our QYC270 post tension monostrands hydraulic jack should be equipped a YBZ2-2-50A electric power pack. YBZ series of power pack is a kind of plunger electric high pressure power pack, its rated pressure is 50Mpa, the power is 3kw. Its main function is supply power for hydraulic jack, button heading machine, hydraulic extruder, embossing machine and other hydraulic device.