... , main cylinder, knock-out cylinder, hydraulic system and drive mechanism, lower and upper limit switches pipe lines, electrical ... is designed according to the working procedure of hydraulic principle. By preset, sequential operation can be ... KN 4006301000100016002000Knock-out force KN 120190190190240400Max. working hydraulic pressure Mpa 252525252525Slide-stroke mm 450500600600700700Knock-out stroke ...