ZF-25B Model pockle Envelope Making Machine, animportant standard model in our series, is designs mainly for the production of large medium-sizde envelopes. Similar to other models, ZF-250B MODEL IS characterized by its high efficiency, stable function, easy operation, quick adjustment and littlespace occupation. It is suitableattention to the needs of processing thick paper. Max. Paper blank size: 480mm*380mm Max. Envelope size: 324mm*2529mm Min. Envelope size: 110mm*176mm Paper weights ca: 80-120g Max. Output: 8000pcs/h Power: 405kw Machine dimension: (l*w*h)2400mm*1000mm*1560mm Machine weight: 1500kg