... can be used as the power producer of prestressing jack, extruder, cotton gin, etc. ZB(Y) series ... can be used as the power producer of prestressing jack, extruder, cotton gin, etc.ModelRated pressure(50Mpa) ... 58560740*450*820For use with all kinds of prestressing jack, extruder, cotton gin, etc., the rated ... 50502*28560 For use with all kinds of prestressing jack, extruder, cotton gin, etc., the rated ...